97601815 has 8 divisors (see below), whose sum is σ = 117443520. Its totient is φ = 77867232.

The previous prime is 97601809. The next prime is 97601821. The reversal of 97601815 is 51810679.

It is an interprime number because it is at equal distance from previous prime (97601809) and next prime (97601821).

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

It is a cyclic number.

It is not a de Polignac number, because 97601815 - 2⁷ = 97601687 is a prime.

It is a super-2 number, since 2×97601815² = 19052228582588450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24760 + ... + 28429.

It is an arithmetic number, because the mean of its divisors is an integer number (14680440).

Almost surely, 2^97601815 is an apocalyptic number.

97601815 is a deficient number, since it is larger than the sum of its proper divisors (19841705).

97601815 is a wasteful number, since it uses less digits than its factorization.

97601815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53561.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 97601815 is about 9879.3630867582. The cubic root of 97601815 is about 460.4183575850.

The spelling of 97601815 in words is "ninety-seven million, six hundred one thousand, eight hundred fifteen".