79678583290 has 16 divisors (see below), whose sum is σ = 149657165568. Its totient is φ = 30485718736.

The previous prime is 79678583191. The next prime is 79678583323. The reversal of 79678583290 is 9238587697.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173214082 + ... + 173214541.

It is an arithmetic number, because the mean of its divisors is an integer number (9353572848).

Almost surely, 2^79678583290 is an apocalyptic number.

79678583290 is a deficient number, since it is larger than the sum of its proper divisors (69978582278).

79678583290 is a wasteful number, since it uses less digits than its factorization.

79678583290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346428653.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 79678583290 in words is "seventy-nine billion, six hundred seventy-eight million, five hundred eighty-three thousand, two hundred ninety".