79677699 has 8 divisors (see below), whose sum is σ = 106498320. Its totient is φ = 52987776.

The previous prime is 79677679. The next prime is 79677707. The reversal of 79677699 is 99677697.

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

It is not a de Polignac number, because 79677699 - 2²⁵ = 46123267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79677679) 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, 31242 + ... + 33695.

It is an arithmetic number, because the mean of its divisors is an integer number (13312290).

Almost surely, 2^79677699 is an apocalyptic number.

79677699 is a deficient number, since it is larger than the sum of its proper divisors (26820621).

79677699 is a wasteful number, since it uses less digits than its factorization.

79677699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65349.

The product of its digits is 9001692, while the sum is 60.

The square root of 79677699 is about 8926.2365529937. The cubic root of 79677699 is about 430.3075121394.

The spelling of 79677699 in words is "seventy-nine million, six hundred seventy-seven thousand, six hundred ninety-nine".