97170975958 has 32 divisors (see below), whose sum is σ = 172515456000. Its totient is φ = 41023121832.

The previous prime is 97170975917. The next prime is 97170975997. The reversal of 97170975958 is 85957907179.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a junction number, because it is equal to n+sod(n) for n = 97170975893 and 97170975902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011118 + ... + 1103041.

It is an arithmetic number, because the mean of its divisors is an integer number (5391108000).

Almost surely, 2^97170975958 is an apocalyptic number.

97170975958 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

97170975958 is a deficient number, since it is larger than the sum of its proper divisors (75344480042).

97170975958 is a wasteful number, since it uses less digits than its factorization.

97170975958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114249 (or 2114235 counting only the distinct ones).

The product of its (nonzero) digits is 50009400, while the sum is 67.

The spelling of 97170975958 in words is "ninety-seven billion, one hundred seventy million, nine hundred seventy-five thousand, nine hundred fifty-eight".