97618607 has 4 divisors (see below), whose sum is σ = 103360896. Its totient is φ = 91876320.

The previous prime is 97618603. The next prime is 97618613. The reversal of 97618607 is 70681679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70681679 = 4519 ⋅15641.

It is a cyclic number.

It is not a de Polignac number, because 97618607 - 2² = 97618603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97618603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2871119 + ... + 2871152.

It is an arithmetic number, because the mean of its divisors is an integer number (25840224).

Almost surely, 2^97618607 is an apocalyptic number.

97618607 is a deficient number, since it is larger than the sum of its proper divisors (5742289).

97618607 is a wasteful number, since it uses less digits than its factorization.

97618607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742288.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 97618607 is about 9880.2129025644. The cubic root of 97618607 is about 460.4447604469. Note that the first 3 decimals are identical.

The spelling of 97618607 in words is "ninety-seven million, six hundred eighteen thousand, six hundred seven".