79888897 has 8 divisors (see below), whose sum is σ = 87217920. Its totient is φ = 72570960.

The previous prime is 79888877. The next prime is 79888961.

79888897 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 79888897 - 2¹⁵ = 79856129 is a prime.

It is a super-3 number, since 3×79888897³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79888807) 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, 21879 + ... + 25267.

It is an arithmetic number, because the mean of its divisors is an integer number (10902240).

Almost surely, 2^79888897 is an apocalyptic number.

It is an amenable number.

79888897 is a deficient number, since it is larger than the sum of its proper divisors (7329023).

79888897 is a wasteful number, since it uses less digits than its factorization.

79888897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its digits is 16257024, while the sum is 64.

The square root of 79888897 is about 8938.0589056014. The cubic root of 79888897 is about 430.6873754634.

The spelling of 79888897 in words is "seventy-nine million, eight hundred eighty-eight thousand, eight hundred ninety-seven".