79175322981142 has 16 divisors (see below), whose sum is σ = 120386156470272. Its totient is φ = 39050223270760.

The previous prime is 79175322981137. The next prime is 79175322981169. The reversal of 79175322981142 is 24118922357197.

It is a congruent number.

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, 904734358 + ... + 904821865.

It is an arithmetic number, because the mean of its divisors is an integer number (7524134779392).

Almost surely, 2^{79175322981142} is an apocalyptic number.

79175322981142 is a deficient number, since it is larger than the sum of its proper divisors (41210833489130).

79175322981142 is a wasteful number, since it uses less digits than its factorization.

79175322981142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809556523.

The product of its digits is 15240960, while the sum is 61.

The spelling of 79175322981142 in words is "seventy-nine trillion, one hundred seventy-five billion, three hundred twenty-two million, nine hundred eighty-one thousand, one hundred forty-two".