86942952816 has 40 divisors (see below), whose sum is σ = 228840420240. Its totient is φ = 28434172416.

The previous prime is 86942952781. The next prime is 86942952829. The reversal of 86942952816 is 61825924968.

It is a self number, because there is not a number n which added to its sum of digits gives 86942952816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17085301 + ... + 17090388.

It is an arithmetic number, because the mean of its divisors is an integer number (5721010506).

Almost surely, 2^86942952816 is an apocalyptic number.

It is an amenable number.

86942952816 is an abundant number, since it is smaller than the sum of its proper divisors (141897467424).

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

86942952816 is a wasteful number, since it uses less digits than its factorization.

86942952816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34175753 (or 34175747 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 60.

The spelling of 86942952816 in words is "eighty-six billion, nine hundred forty-two million, nine hundred fifty-two thousand, eight hundred sixteen".