97601818 has 8 divisors (see below), whose sum is σ = 146636640. Its totient is φ = 48722940.

The previous prime is 97601809. The next prime is 97601821. The reversal of 97601818 is 81810679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×97601818² = 19052229753810248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37408 + ... + 39931.

It is an arithmetic number, because the mean of its divisors is an integer number (18329580).

Almost surely, 2^97601818 is an apocalyptic number.

97601818 is a deficient number, since it is larger than the sum of its proper divisors (49034822).

97601818 is a wasteful number, since it uses less digits than its factorization.

97601818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77972.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 97601818 is about 9879.3632385898. The cubic root of 97601818 is about 460.4183623023.

The spelling of 97601818 in words is "ninety-seven million, six hundred one thousand, eight hundred eighteen".