79308638355 has 8 divisors (see below), whose sum is σ = 126893821392. Its totient is φ = 42297940448.

The previous prime is 79308638333. The next prime is 79308638369. The reversal of 79308638355 is 55383680397.

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

It is a cyclic number.

It is not a de Polignac number, because 79308638355 - 2⁸ = 79308638099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79308638295 and 79308638304.

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, 2643621264 + ... + 2643621293.

It is an arithmetic number, because the mean of its divisors is an integer number (15861727674).

Almost surely, 2^79308638355 is an apocalyptic number.

79308638355 is a deficient number, since it is larger than the sum of its proper divisors (47585183037).

79308638355 is a wasteful number, since it uses less digits than its factorization.

79308638355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287242565.

The product of its (nonzero) digits is 16329600, while the sum is 57.

The spelling of 79308638355 in words is "seventy-nine billion, three hundred eight million, six hundred thirty-eight thousand, three hundred fifty-five".