79655999 has 8 divisors (see below), whose sum is σ = 88781040. Its totient is φ = 71024256.

The previous prime is 79655993. The next prime is 79656053. The reversal of 79655999 is 99955697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79655999 - 2¹² = 79651903 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 (79655993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122984 + ... + 123629.

It is an arithmetic number, because the mean of its divisors is an integer number (11097630).

Almost surely, 2^79655999 is an apocalyptic number.

79655999 is a deficient number, since it is larger than the sum of its proper divisors (9125041).

79655999 is a wasteful number, since it uses less digits than its factorization.

79655999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246649.

The product of its digits is 6889050, while the sum is 59.

The square root of 79655999 is about 8925.0209523564. The cubic root of 79655999 is about 430.2684442406.

The spelling of 79655999 in words is "seventy-nine million, six hundred fifty-five thousand, nine hundred ninety-nine".