79021194514 has 16 divisors (see below), whose sum is σ = 121297381920. Its totient is φ = 38588870880.

The previous prime is 79021194451. The next prime is 79021194523. The reversal of 79021194514 is 41549112097.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551229 + ... + 1601359.

It is an arithmetic number, because the mean of its divisors is an integer number (7581086370).

Almost surely, 2^79021194514 is an apocalyptic number.

79021194514 is a deficient number, since it is larger than the sum of its proper divisors (42276187406).

79021194514 is a wasteful number, since it uses less digits than its factorization.

79021194514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68505.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 79021194514 in words is "seventy-nine billion, twenty-one million, one hundred ninety-four thousand, five hundred fourteen".