97370773831 has 4 divisors (see below), whose sum is σ = 97371827392. Its totient is φ = 97369720272.

The previous prime is 97370773813. The next prime is 97370773837. The reversal of 97370773831 is 13837707379.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 97370773831 - 2⁹ = 97370773319 is a prime.

It is a super-2 number, since 2×97370773831² (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 (97370773837) 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 3 ways as a sum of consecutive naturals, for example, 373230 + ... + 577963.

It is an arithmetic number, because the mean of its divisors is an integer number (24342956848).

Almost surely, 2^97370773831 is an apocalyptic number.

97370773831 is a deficient number, since it is larger than the sum of its proper divisors (1053561).

97370773831 is a wasteful number, since it uses less digits than its factorization.

97370773831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053560.

The product of its (nonzero) digits is 4667544, while the sum is 55.

The spelling of 97370773831 in words is "ninety-seven billion, three hundred seventy million, seven hundred seventy-three thousand, eight hundred thirty-one".