84457807086 has 32 divisors (see below), whose sum is σ = 170726175648. Its totient is φ = 27851765760.

The previous prime is 84457807073. The next prime is 84457807099. The reversal of 84457807086 is 68070875448.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (84457807073) and next prime (84457807099).

It is a super-2 number, since 2×84457807086² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251670 + ... + 481926.

It is an arithmetic number, because the mean of its divisors is an integer number (5335192989).

Almost surely, 2^84457807086 is an apocalyptic number.

84457807086 is an abundant number, since it is smaller than the sum of its proper divisors (86268368562).

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

84457807086 is a wasteful number, since it uses less digits than its factorization.

84457807086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230916.

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 84457807086 in words is "eighty-four billion, four hundred fifty-seven million, eight hundred seven thousand, eighty-six".