86792278464 has 168 divisors, whose sum is σ = 269291074320. Its totient is φ = 27407890944.

The previous prime is 86792278421. The next prime is 86792278511. The reversal of 86792278464 is 46487229768.

86792278464 is a `hidden beast` number, since 8 + 67 + 92 + 27 + 8 + 464 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554242 + ... + 693374.

Almost surely, 2^86792278464 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 86792278464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134645537160).

86792278464 is an abundant number, since it is smaller than the sum of its proper divisors (182498795856).

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

86792278464 is a wasteful number, since it uses less digits than its factorization.

86792278464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139192 (or 139157 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 86792278464 in words is "eighty-six billion, seven hundred ninety-two million, two hundred seventy-eight thousand, four hundred sixty-four".