78774964934 has 8 divisors (see below), whose sum is σ = 124381523640. Its totient is φ = 37314457056.

The previous prime is 78774964921. The next prime is 78774964967. The reversal of 78774964934 is 43946947787.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036512659 + ... + 1036512734.

It is an arithmetic number, because the mean of its divisors is an integer number (15547690455).

Almost surely, 2^78774964934 is an apocalyptic number.

78774964934 is a deficient number, since it is larger than the sum of its proper divisors (45606558706).

78774964934 is a wasteful number, since it uses less digits than its factorization.

78774964934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073025414.

The product of its digits is 256048128, while the sum is 68.

The spelling of 78774964934 in words is "seventy-eight billion, seven hundred seventy-four million, nine hundred sixty-four thousand, nine hundred thirty-four".