86921902107 has 12 divisors (see below), whose sum is σ = 132161956680. Its totient is φ = 54898043328.

The previous prime is 86921902097. The next prime is 86921902129. The reversal of 86921902107 is 70120912968.

It is not a de Polignac number, because 86921902107 - 2⁴ = 86921902091 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (86921902147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254157438 + ... + 254157779.

It is an arithmetic number, because the mean of its divisors is an integer number (11013496390).

Almost surely, 2^86921902107 is an apocalyptic number.

86921902107 is a deficient number, since it is larger than the sum of its proper divisors (45240054573).

86921902107 is a wasteful number, since it uses less digits than its factorization.

86921902107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508315242 (or 508315239 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The spelling of 86921902107 in words is "eighty-six billion, nine hundred twenty-one million, nine hundred two thousand, one hundred seven".