84086526805860 has 96 divisors (see below), whose sum is σ = 239913118045440. Its totient is φ = 21997379901952.

The previous prime is 84086526805859. The next prime is 84086526805861. The reversal of 84086526805860 is 6850862568048.

It is an interprime number because it is at equal distance from previous prime (84086526805859) and next prime (84086526805861).

It is a super-2 number, since 2×84086526805860² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 84086526805791 and 84086526805800.

It is not an unprimeable number, because it can be changed into a prime (84086526805861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25235689 + ... + 28372751.

It is an arithmetic number, because the mean of its divisors is an integer number (2499094979640).

Almost surely, 2^{84086526805860} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84086526805860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119956559022720).

84086526805860 is an abundant number, since it is smaller than the sum of its proper divisors (155826591239580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84086526805860 is a wasteful number, since it uses less digits than its factorization.

84086526805860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145557 (or 3145555 counting only the distinct ones).

The product of its (nonzero) digits is 176947200, while the sum is 66.

The spelling of 84086526805860 in words is "eighty-four trillion, eighty-six billion, five hundred twenty-six million, eight hundred five thousand, eight hundred sixty".