79545667 has 4 divisors (see below), whose sum is σ = 81238176. Its totient is φ = 77853160.

The previous prime is 79545649. The next prime is 79545677. The reversal of 79545667 is 76654597.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79545667 is a prime.

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 79545667.

It is not an unprimeable number, because it can be changed into a prime (79545677) 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, 846184 + ... + 846277.

It is an arithmetic number, because the mean of its divisors is an integer number (20309544).

Almost surely, 2^79545667 is an apocalyptic number.

79545667 is a deficient number, since it is larger than the sum of its proper divisors (1692509).

79545667 is a wasteful number, since it uses less digits than its factorization.

79545667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692508.

The product of its digits is 1587600, while the sum is 49.

The square root of 79545667 is about 8918.8377606054. The cubic root of 79545667 is about 430.0696966528.

The spelling of 79545667 in words is "seventy-nine million, five hundred forty-five thousand, six hundred sixty-seven".