79516567 has 4 divisors (see below), whose sum is σ = 85633240. Its totient is φ = 73399896.

The previous prime is 79516561. The next prime is 79516627. The reversal of 79516567 is 76561597.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 79516567 - 2³ = 79516559 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 (79516561) 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, 3058317 + ... + 3058342.

It is an arithmetic number, because the mean of its divisors is an integer number (21408310).

Almost surely, 2^79516567 is an apocalyptic number.

79516567 is a deficient number, since it is larger than the sum of its proper divisors (6116673).

79516567 is a wasteful number, since it uses less digits than its factorization.

79516567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6116672.

The product of its digits is 396900, while the sum is 46.

The square root of 79516567 is about 8917.2062328960. The cubic root of 79516567 is about 430.0172464689.

The spelling of 79516567 in words is "seventy-nine million, five hundred sixteen thousand, five hundred sixty-seven".