79699697 has 8 divisors (see below), whose sum is σ = 99365952. Its totient is φ = 62103600.

The previous prime is 79699693. The next prime is 79699709.

79699697 is nontrivially palindromic in base 10.

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 79699697 - 2² = 79699693 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79699693) 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, 517454 + ... + 517607.

It is an arithmetic number, because the mean of its divisors is an integer number (12420744).

Almost surely, 2^79699697 is an apocalyptic number.

79699697 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

79699697 is a deficient number, since it is larger than the sum of its proper divisors (19666255).

79699697 is a wasteful number, since it uses less digits than its factorization.

79699697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035079.

The product of its digits is 11573604, while the sum is 62.

The square root of 79699697 is about 8927.4686781864. The cubic root of 79699697 is about 430.3471093072.

The spelling of 79699697 in words is "seventy-nine million, six hundred ninety-nine thousand, six hundred ninety-seven".