97888879 has 12 divisors (see below), whose sum is σ = 108017280. Its totient is φ = 88642400.

The previous prime is 97888877. The next prime is 97888909.

97888879 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97888879 - 2¹ = 97888877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97888879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97888871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32562 + ... + 35440.

It is an arithmetic number, because the mean of its divisors is an integer number (9001440).

Almost surely, 2^97888879 is an apocalyptic number.

97888879 is a deficient number, since it is larger than the sum of its proper divisors (10128401).

97888879 is a wasteful number, since it uses less digits than its factorization.

97888879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182 (or 3171 counting only the distinct ones).

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

The square root of 97888879 is about 9893.8808866895. The cubic root of 97888879 is about 460.8693060597.

The spelling of 97888879 in words is "ninety-seven million, eight hundred eighty-eight thousand, eight hundred seventy-nine".