79021611634 has 8 divisors (see below), whose sum is σ = 135465619968. Its totient is φ = 33866404980.

The previous prime is 79021611631. The next prime is 79021611637. The reversal of 79021611634 is 43611612097.

It is an interprime number because it is at equal distance from previous prime (79021611631) and next prime (79021611637).

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

It is not an unprimeable number, because it can be changed into a prime (79021611631) 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, 2822200402 + ... + 2822200429.

It is an arithmetic number, because the mean of its divisors is an integer number (16933202496).

Almost surely, 2^79021611634 is an apocalyptic number.

79021611634 is a deficient number, since it is larger than the sum of its proper divisors (56444008334).

79021611634 is a wasteful number, since it uses less digits than its factorization.

79021611634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644400840.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 79021611634 in words is "seventy-nine billion, twenty-one million, six hundred eleven thousand, six hundred thirty-four".