79153906793 has 4 divisors (see below), whose sum is σ = 85242668868. Its totient is φ = 73065144720.

The previous prime is 79153906697. The next prime is 79153906801. The reversal of 79153906793 is 39760935197.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20486769424 + 58667137369 = 143132^2 + 242213^2 .

It is a cyclic number.

It is not a de Polignac number, because 79153906793 - 2¹² = 79153902697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79153956793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3044381018 + ... + 3044381043.

It is an arithmetic number, because the mean of its divisors is an integer number (21310667217).

Almost surely, 2^79153906793 is an apocalyptic number.

It is an amenable number.

79153906793 is a deficient number, since it is larger than the sum of its proper divisors (6088762075).

79153906793 is a wasteful number, since it uses less digits than its factorization.

79153906793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6088762074.

The product of its (nonzero) digits is 9644670, while the sum is 59.

The spelling of 79153906793 in words is "seventy-nine billion, one hundred fifty-three million, nine hundred six thousand, seven hundred ninety-three".