79871610574 has 16 divisors (see below), whose sum is σ = 137057155200. Its totient is φ = 34197091704.

The previous prime is 79871610571. The next prime is 79871610593. The reversal of 79871610574 is 47501617897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79871610571) by changing a digit.

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, 2785104 + ... + 2813635.

It is an arithmetic number, because the mean of its divisors is an integer number (8566072200).

Almost surely, 2^79871610574 is an apocalyptic number.

79871610574 is a deficient number, since it is larger than the sum of its proper divisors (57185544626).

79871610574 is a wasteful number, since it uses less digits than its factorization.

79871610574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599767.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 79871610574 in words is "seventy-nine billion, eight hundred seventy-one million, six hundred ten thousand, five hundred seventy-four".