97858180 has 48 divisors (see below), whose sum is σ = 242968320. Its totient is φ = 32393088.

The previous prime is 97858177. The next prime is 97858181. The reversal of 97858180 is 8185879.

It is a self number, because there is not a number n which added to its sum of digits gives 97858180.

It is not an unprimeable number, because it can be changed into a prime (97858181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7992 + ... + 16111.

It is an arithmetic number, because the mean of its divisors is an integer number (5061840).

Almost surely, 2^97858180 is an apocalyptic number.

It is an amenable number.

97858180 is an abundant number, since it is smaller than the sum of its proper divisors (145110140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97858180 is a wasteful number, since it uses less digits than its factorization.

97858180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24148 (or 24146 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 46.

The square root of 97858180 is about 9892.3293515734. The cubic root of 97858180 is about 460.8211231737.

The spelling of 97858180 in words is "ninety-seven million, eight hundred fifty-eight thousand, one hundred eighty".