86942404792 has 8 divisors (see below), whose sum is σ = 163017009000. Its totient is φ = 43471202392.

The previous prime is 86942404781. The next prime is 86942404837. The reversal of 86942404792 is 29740424968.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5433900292 + ... + 5433900307.

It is an arithmetic number, because the mean of its divisors is an integer number (20377126125).

Almost surely, 2^86942404792 is an apocalyptic number.

It is an amenable number.

86942404792 is a deficient number, since it is larger than the sum of its proper divisors (76074604208).

86942404792 is a wasteful number, since it uses less digits than its factorization.

86942404792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10867800605 (or 10867800601 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 86942404792 in words is "eighty-six billion, nine hundred forty-two million, four hundred four thousand, seven hundred ninety-two".