78632433764 has 12 divisors (see below), whose sum is σ = 143589661824. Its totient is φ = 37606816104.

The previous prime is 78632433727. The next prime is 78632433823. The reversal of 78632433764 is 46733423687.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427350092 + ... + 427350275.

It is an arithmetic number, because the mean of its divisors is an integer number (11965805152).

Almost surely, 2^78632433764 is an apocalyptic number.

It is an amenable number.

78632433764 is a deficient number, since it is larger than the sum of its proper divisors (64957228060).

78632433764 is a wasteful number, since it uses less digits than its factorization.

78632433764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854700394 (or 854700392 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 53.

The spelling of 78632433764 in words is "seventy-eight billion, six hundred thirty-two million, four hundred thirty-three thousand, seven hundred sixty-four".