79789658354 has 16 divisors (see below), whose sum is σ = 137572924608. Its totient is φ = 33997904592.

The previous prime is 79789658339. The next prime is 79789658381. The reversal of 79789658354 is 45385698797.

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, 16469432 + ... + 16474275.

It is an arithmetic number, because the mean of its divisors is an integer number (8598307788).

Almost surely, 2^79789658354 is an apocalyptic number.

79789658354 is a deficient number, since it is larger than the sum of its proper divisors (57783266254).

79789658354 is a wasteful number, since it uses less digits than its factorization.

79789658354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32943889.

The product of its digits is 457228800, while the sum is 71.

The spelling of 79789658354 in words is "seventy-nine billion, seven hundred eighty-nine million, six hundred fifty-eight thousand, three hundred fifty-four".