79286865394 has 32 divisors (see below), whose sum is σ = 132799398912. Its totient is φ = 35199738000.

The previous prime is 79286865377. The next prime is 79286865407. The reversal of 79286865394 is 49356868297.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70062 + ... + 404329.

It is an arithmetic number, because the mean of its divisors is an integer number (4149981216).

Almost surely, 2^79286865394 is an apocalyptic number.

79286865394 is a deficient number, since it is larger than the sum of its proper divisors (53512533518).

79286865394 is a wasteful number, since it uses less digits than its factorization.

79286865394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474582.

The product of its digits is 156764160, while the sum is 67.

The spelling of 79286865394 in words is "seventy-nine billion, two hundred eighty-six million, eight hundred sixty-five thousand, three hundred ninety-four".