97838083879 has 4 divisors (see below), whose sum is σ = 97906647384. Its totient is φ = 97769520376.

The previous prime is 97838083853. The next prime is 97838083891.

97838083879 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97838083879 - 2¹⁵ = 97838051111 is a prime.

It is a super-2 number, since 2×97838083879² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97838083279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34279612 + ... + 34282465.

It is an arithmetic number, because the mean of its divisors is an integer number (24476661846).

Almost surely, 2^97838083879 is an apocalyptic number.

97838083879 is a deficient number, since it is larger than the sum of its proper divisors (68563505).

97838083879 is a wasteful number, since it uses less digits than its factorization.

97838083879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68563504.

The product of its (nonzero) digits is 146313216, while the sum is 70.

The spelling of 97838083879 in words is "ninety-seven billion, eight hundred thirty-eight million, eighty-three thousand, eight hundred seventy-nine".