8537659797 has 16 divisors (see below), whose sum is σ = 11540480000. Its totient is φ = 5613467184.

The previous prime is 8537659751. The next prime is 8537659799. The reversal of 8537659797 is 7979567358.

It is not a de Polignac number, because 8537659797 - 2⁸ = 8537659541 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 (8537659799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198204 + ... + 237402.

It is an arithmetic number, because the mean of its divisors is an integer number (721280000).

Almost surely, 2^8537659797 is an apocalyptic number.

It is an amenable number.

8537659797 is a deficient number, since it is larger than the sum of its proper divisors (3002820203).

8537659797 is a wasteful number, since it uses less digits than its factorization.

8537659797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40200.

The product of its digits is 100018800, while the sum is 66.

The square root of 8537659797 is about 92399.4577743831. The cubic root of 8537659797 is about 2043.8371165663.

The spelling of 8537659797 in words is "eight billion, five hundred thirty-seven million, six hundred fifty-nine thousand, seven hundred ninety-seven".