97807613 has 16 divisors (see below), whose sum is σ = 107262144. Its totient is φ = 88807680.

The previous prime is 97807603. The next prime is 97807621. The reversal of 97807613 is 31670879.

It is a cyclic number.

It is not a de Polignac number, because 97807613 - 2⁸ = 97807357 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 (97807603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81806 + ... + 82992.

It is an arithmetic number, because the mean of its divisors is an integer number (6703884).

Almost surely, 2^97807613 is an apocalyptic number.

It is an amenable number.

97807613 is a deficient number, since it is larger than the sum of its proper divisors (9454531).

97807613 is a wasteful number, since it uses less digits than its factorization.

97807613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 97807613 is about 9889.7731521001. The cubic root of 97807613 is about 460.7417349658.

The spelling of 97807613 in words is "ninety-seven million, eight hundred seven thousand, six hundred thirteen".