79516453 has 4 divisors (see below), whose sum is σ = 80004448. Its totient is φ = 79028460.

The previous prime is 79516447. The next prime is 79516469. The reversal of 79516453 is 35461597.

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: 35461597 = 41 ⋅864917.

It is a cyclic number.

It is not a de Polignac number, because 79516453 - 2⁵ = 79516421 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 (79516403) 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, 243753 + ... + 244078.

It is an arithmetic number, because the mean of its divisors is an integer number (20001112).

Almost surely, 2^79516453 is an apocalyptic number.

It is an amenable number.

79516453 is a deficient number, since it is larger than the sum of its proper divisors (487995).

79516453 is a wasteful number, since it uses less digits than its factorization.

79516453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487994.

The product of its digits is 113400, while the sum is 40.

The square root of 79516453 is about 8917.1998407572. The cubic root of 79516453 is about 430.0170409688.

The spelling of 79516453 in words is "seventy-nine million, five hundred sixteen thousand, four hundred fifty-three".