97857075879 has 12 divisors (see below), whose sum is σ = 147494723376. Its totient is φ = 62401613472.

The previous prime is 97857075871. The next prime is 97857075931.

It is a happy number.

97857075879 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 97857075879 - 2³ = 97857075871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97857075871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236369542 + ... + 236369955.

It is an arithmetic number, because the mean of its divisors is an integer number (12291226948).

Almost surely, 2^97857075879 is an apocalyptic number.

97857075879 is a deficient number, since it is larger than the sum of its proper divisors (49637647497).

97857075879 is a wasteful number, since it uses less digits than its factorization.

97857075879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472739526 (or 472739523 counting only the distinct ones).

The product of its (nonzero) digits is 311169600, while the sum is 72.

The spelling of 97857075879 in words is "ninety-seven billion, eight hundred fifty-seven million, seventy-five thousand, eight hundred seventy-nine".