84859981404 has 96 divisors (see below), whose sum is σ = 234292165632. Its totient is φ = 23612160000.

The previous prime is 84859981399. The next prime is 84859981433. The reversal of 84859981404 is 40418995848.

It is a super-2 number, since 2×84859981404² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369172 + ... + 553179.

It is an arithmetic number, because the mean of its divisors is an integer number (2440543392).

Almost surely, 2^84859981404 is an apocalyptic number.

It is an amenable number.

84859981404 is an abundant number, since it is smaller than the sum of its proper divisors (149432184228).

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

84859981404 is a wasteful number, since it uses less digits than its factorization.

84859981404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922427 (or 922425 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 60.

The spelling of 84859981404 in words is "eighty-four billion, eight hundred fifty-nine million, nine hundred eighty-one thousand, four hundred four".