79769716 has 48 divisors (see below), whose sum is σ = 155344896. Its totient is φ = 35610624.

The previous prime is 79769713. The next prime is 79769719. The reversal of 79769716 is 61796797.

It is an interprime number because it is at equal distance from previous prime (79769713) and next prime (79769719).

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79769713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310260 + ... + 310516.

It is an arithmetic number, because the mean of its divisors is an integer number (3236352).

Almost surely, 2^79769716 is an apocalyptic number.

It is an amenable number.

79769716 is a deficient number, since it is larger than the sum of its proper divisors (75575180).

79769716 is a wasteful number, since it uses less digits than its factorization.

79769716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 446 counting only the distinct ones).

The product of its digits is 1000188, while the sum is 52.

The square root of 79769716 is about 8931.3893656026. The cubic root of 79769716 is about 430.4730974666.

The spelling of 79769716 in words is "seventy-nine million, seven hundred sixty-nine thousand, seven hundred sixteen".