79822897 has 8 divisors (see below), whose sum is σ = 99519552. Its totient is φ = 62199600.

The previous prime is 79822891. The next prime is 79822901.

79822897 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-79822897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79822891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518254 + ... + 518407.

It is an arithmetic number, because the mean of its divisors is an integer number (12439944).

Almost surely, 2^79822897 is an apocalyptic number.

79822897 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

It is an amenable number.

79822897 is a deficient number, since it is larger than the sum of its proper divisors (19696655).

79822897 is a wasteful number, since it uses less digits than its factorization.

79822897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036679.

The product of its digits is 1016064, while the sum is 52.

The square root of 79822897 is about 8934.3660659277. The cubic root of 79822897 is about 430.5687390433.

The spelling of 79822897 in words is "seventy-nine million, eight hundred twenty-two thousand, eight hundred ninety-seven".