97893839879 has 24 divisors (see below), whose sum is σ = 113681292480. Its totient is φ = 84097280960.

The previous prime is 97893839837. The next prime is 97893839933.

It is a happy number.

97893839879 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97893839879 - 2²⁴ = 97877062663 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 (97893839809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131864 + ... + 461709.

It is an arithmetic number, because the mean of its divisors is an integer number (4736720520).

Almost surely, 2^97893839879 is an apocalyptic number.

97893839879 is a deficient number, since it is larger than the sum of its proper divisors (15787452601).

97893839879 is a wasteful number, since it uses less digits than its factorization.

97893839879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593671 (or 593660 counting only the distinct ones).

The product of its digits is 1481421312, while the sum is 80.

The spelling of 97893839879 in words is "ninety-seven billion, eight hundred ninety-three million, eight hundred thirty-nine thousand, eight hundred seventy-nine".