79295561 has 4 divisors (see below), whose sum is σ = 79516800. Its totient is φ = 79074324.

The previous prime is 79295549. The next prime is 79295581. The reversal of 79295561 is 16559297.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16559297 = 509 ⋅32533.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79295561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79295501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110081 + ... + 110798.

It is an arithmetic number, because the mean of its divisors is an integer number (19879200).

Almost surely, 2^79295561 is an apocalyptic number.

It is an amenable number.

79295561 is a deficient number, since it is larger than the sum of its proper divisors (221239).

79295561 is a wasteful number, since it uses less digits than its factorization.

79295561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221238.

The product of its digits is 170100, while the sum is 44.

The square root of 79295561 is about 8904.8055004026. The cubic root of 79295561 is about 429.6184843892.

The spelling of 79295561 in words is "seventy-nine million, two hundred ninety-five thousand, five hundred sixty-one".