86943696972 has 48 divisors (see below), whose sum is σ = 234329542272. Its totient is φ = 24796775680.

The previous prime is 86943696941. The next prime is 86943696979. The reversal of 86943696972 is 27969634968.

It is a junction number, because it is equal to n+sod(n) for n = 86943696897 and 86943696906.

It is not an unprimeable number, because it can be changed into a prime (86943696979) 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, 19370238 + ... + 19374725.

It is an arithmetic number, because the mean of its divisors is an integer number (4881865464).

Almost surely, 2^86943696972 is an apocalyptic number.

It is an amenable number.

86943696972 is an abundant number, since it is smaller than the sum of its proper divisors (147385845300).

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

86943696972 is a wasteful number, since it uses less digits than its factorization.

86943696972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38744998 (or 38744996 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 69.

The spelling of 86943696972 in words is "eighty-six billion, nine hundred forty-three million, six hundred ninety-six thousand, nine hundred seventy-two".