97939464637 has 8 divisors (see below), whose sum is σ = 111934133696. Its totient is φ = 83945624832.

The previous prime is 97939464529. The next prime is 97939464653. The reversal of 97939464637 is 73646493979.

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 97939464637 - 2²³ = 97931076029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97939464137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70618 + ... + 448180.

It is an arithmetic number, because the mean of its divisors is an integer number (13991766712).

Almost surely, 2^97939464637 is an apocalyptic number.

It is an amenable number.

97939464637 is a deficient number, since it is larger than the sum of its proper divisors (13994669059).

97939464637 is a wasteful number, since it uses less digits than its factorization.

97939464637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414627.

The product of its digits is 185177664, while the sum is 67.

The spelling of 97939464637 in words is "ninety-seven billion, nine hundred thirty-nine million, four hundred sixty-four thousand, six hundred thirty-seven".