79608531 has 4 divisors (see below), whose sum is σ = 106144712. Its totient is φ = 53072352.

The previous prime is 79608517. The next prime is 79608533. The reversal of 79608531 is 13580697.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-79608531 is a prime.

It is a super-2 number, since 2×79608531² = 12675036415955922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79608531.

It is not an unprimeable number, because it can be changed into a prime (79608533) 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 3 ways as a sum of consecutive naturals, for example, 13268086 + ... + 13268091.

It is an arithmetic number, because the mean of its divisors is an integer number (26536178).

Almost surely, 2^79608531 is an apocalyptic number.

79608531 is a deficient number, since it is larger than the sum of its proper divisors (26536181).

79608531 is a wasteful number, since it uses less digits than its factorization.

79608531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26536180.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 79608531 is about 8922.3612906002. The cubic root of 79608531 is about 430.1829598198.

The spelling of 79608531 in words is "seventy-nine million, six hundred eight thousand, five hundred thirty-one".