86719266738 has 64 divisors (see below), whose sum is σ = 210630913920. Its totient is φ = 26284585536.

The previous prime is 86719266721. The next prime is 86719266743. The reversal of 86719266738 is 83766291768.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 874845 + ... + 968912.

It is an arithmetic number, because the mean of its divisors is an integer number (3291108030).

Almost surely, 2^86719266738 is an apocalyptic number.

86719266738 is an abundant number, since it is smaller than the sum of its proper divisors (123911647182).

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

86719266738 is a wasteful number, since it uses less digits than its factorization.

86719266738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843848 (or 1843842 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 86719266738 in words is "eighty-six billion, seven hundred nineteen million, two hundred sixty-six thousand, seven hundred thirty-eight".