79436428658 has 8 divisors (see below), whose sum is σ = 121925681328. Its totient is φ = 38794534884.

The previous prime is 79436428633. The next prime is 79436428661. The reversal of 79436428658 is 85682463497.

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

It is a self number, because there is not a number n which added to its sum of digits gives 79436428658.

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, 461839616 + ... + 461839787.

It is an arithmetic number, because the mean of its divisors is an integer number (15240710166).

Almost surely, 2^79436428658 is an apocalyptic number.

79436428658 is a deficient number, since it is larger than the sum of its proper divisors (42489252670).

79436428658 is a wasteful number, since it uses less digits than its factorization.

79436428658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923679448.

The product of its digits is 69672960, while the sum is 62.

The spelling of 79436428658 in words is "seventy-nine billion, four hundred thirty-six million, four hundred twenty-eight thousand, six hundred fifty-eight".