79228630193 has 4 divisors (see below), whose sum is σ = 79263275520. Its totient is φ = 79193984868.

The previous prime is 79228630189. The next prime is 79228630211. The reversal of 79228630193 is 39103682297.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79228630193 - 2² = 79228630189 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79228630123) 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, 17319233 + ... + 17323806.

It is an arithmetic number, because the mean of its divisors is an integer number (19815818880).

Almost surely, 2^79228630193 is an apocalyptic number.

It is an amenable number.

79228630193 is a deficient number, since it is larger than the sum of its proper divisors (34645327).

79228630193 is a wasteful number, since it uses less digits than its factorization.

79228630193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34645326.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 79228630193 in words is "seventy-nine billion, two hundred twenty-eight million, six hundred thirty thousand, one hundred ninety-three".