86974582992 has 80 divisors (see below), whose sum is σ = 245838021312. Its totient is φ = 26277672960.

The previous prime is 86974582987. The next prime is 86974582993. The reversal of 86974582992 is 29928547968.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86974582993) 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, 66463 + ... + 422334.

Almost surely, 2^86974582992 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 86974582992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122919010656).

86974582992 is an abundant number, since it is smaller than the sum of its proper divisors (158863438320).

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

86974582992 is a wasteful number, since it uses less digits than its factorization.

86974582992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489156 (or 489150 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

It can be divided in two parts, 86974 and 582992, that added together give a palindrome (669966).

The spelling of 86974582992 in words is "eighty-six billion, nine hundred seventy-four million, five hundred eighty-two thousand, nine hundred ninety-two".