79539575 has 12 divisors (see below), whose sum is σ = 98741448. Its totient is φ = 63559200.

The previous prime is 79539571. The next prime is 79539613. The reversal of 79539575 is 57593597.

It is not a de Polignac number, because 79539575 - 2² = 79539571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79539571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36260 + ... + 38390.

It is an arithmetic number, because the mean of its divisors is an integer number (8228454).

Almost surely, 2^79539575 is an apocalyptic number.

79539575 is a deficient number, since it is larger than the sum of its proper divisors (19201873).

79539575 is a wasteful number, since it uses less digits than its factorization.

79539575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634 (or 3629 counting only the distinct ones).

The product of its digits is 1488375, while the sum is 50.

The square root of 79539575 is about 8918.4962297464. The cubic root of 79539575 is about 430.0587174188.

The spelling of 79539575 in words is "seventy-nine million, five hundred thirty-nine thousand, five hundred seventy-five".