86904656944 has 80 divisors (see below), whose sum is σ = 200582979328. Its totient is φ = 35697252096.

The previous prime is 86904656941. The next prime is 86904656953. The reversal of 86904656944 is 44965640968.

It is not an unprimeable number, because it can be changed into a prime (86904656941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121147 + ... + 434149.

Almost surely, 2^86904656944 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 86904656944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100291489664).

86904656944 is an abundant number, since it is smaller than the sum of its proper divisors (113678322384).

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

86904656944 is a wasteful number, since it uses less digits than its factorization.

86904656944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313122 (or 313116 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 61.

The spelling of 86904656944 in words is "eighty-six billion, nine hundred four million, six hundred fifty-six thousand, nine hundred forty-four".