79169522523 has 32 divisors (see below), whose sum is σ = 131180614656. Its totient is φ = 41354299008.

The previous prime is 79169522503. The next prime is 79169522539. The reversal of 79169522523 is 32522596197.

It is a happy number.

It is not a de Polignac number, because 79169522523 - 2¹² = 79169518427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79169522503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379640 + ... + 1435877.

It is an arithmetic number, because the mean of its divisors is an integer number (4099394208).

Almost surely, 2^79169522523 is an apocalyptic number.

79169522523 is a deficient number, since it is larger than the sum of its proper divisors (52011092133).

79169522523 is a wasteful number, since it uses less digits than its factorization.

79169522523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815643.

The product of its digits is 2041200, while the sum is 51.

The spelling of 79169522523 in words is "seventy-nine billion, one hundred sixty-nine million, five hundred twenty-two thousand, five hundred twenty-three".