79111619044 has 24 divisors (see below), whose sum is σ = 143415581400. Its totient is φ = 38157419520.

The previous prime is 79111619029. The next prime is 79111619051. The reversal of 79111619044 is 44091611197.

It can be written as a sum of positive squares in 4 ways, for example, as 3328136100 + 75783482944 = 57690^2 + 275288^2 .

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, 2695449 + ... + 2724640.

It is an arithmetic number, because the mean of its divisors is an integer number (5975649225).

Almost surely, 2^79111619044 is an apocalyptic number.

It is an amenable number.

79111619044 is a deficient number, since it is larger than the sum of its proper divisors (64303962356).

79111619044 is a wasteful number, since it uses less digits than its factorization.

79111619044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5420223 (or 5420221 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The spelling of 79111619044 in words is "seventy-nine billion, one hundred eleven million, six hundred nineteen thousand, forty-four".