79788797 has 8 divisors (see below), whose sum is σ = 88685280. Its totient is φ = 71166160.

The previous prime is 79788791. The next prime is 79788799.

79788797 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 a de Polignac number, because none of the positive numbers 2^k-79788797 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 (79788791) 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, 67847 + ... + 69012.

It is an arithmetic number, because the mean of its divisors is an integer number (11085660).

Almost surely, 2^79788797 is an apocalyptic number.

It is an amenable number.

79788797 is a deficient number, since it is larger than the sum of its proper divisors (8896483).

79788797 is a wasteful number, since it uses less digits than its factorization.

79788797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136923.

The product of its digits is 12446784, while the sum is 62.

The square root of 79788797 is about 8932.4575005986. The cubic root of 79788797 is about 430.5074179362.

The spelling of 79788797 in words is "seventy-nine million, seven hundred eighty-eight thousand, seven hundred ninety-seven".