84491079252 has 48 divisors (see below), whose sum is σ = 207573038400. Its totient is φ = 26674824960.

The previous prime is 84491079251. The next prime is 84491079259. The reversal of 84491079252 is 25297019448.

It is a junction number, because it is equal to n+sod(n) for n = 84491079195 and 84491079204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84491079251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 928024 + ... + 1014992.

It is an arithmetic number, because the mean of its divisors is an integer number (4324438300).

Almost surely, 2^84491079252 is an apocalyptic number.

It is an amenable number.

84491079252 is an abundant number, since it is smaller than the sum of its proper divisors (123081959148).

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

84491079252 is a wasteful number, since it uses less digits than its factorization.

84491079252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91256 (or 91254 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 84491079252 in words is "eighty-four billion, four hundred ninety-one million, seventy-nine thousand, two hundred fifty-two".