79797837537 has 12 divisors (see below), whose sum is σ = 125742047184. Its totient is φ = 48362325720.

The previous prime is 79797837527. The next prime is 79797837563. The reversal of 79797837537 is 73573879797.

79797837537 is a `hidden beast` number, since 7 + 9 + 7 + 9 + 7 + 83 + 7 + 537 = 666.

It is not a de Polignac number, because 79797837537 - 2¹⁰ = 79797836513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79797837527) 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 11 ways as a sum of consecutive naturals, for example, 403019283 + ... + 403019480.

It is an arithmetic number, because the mean of its divisors is an integer number (10478503932).

Almost surely, 2^79797837537 is an apocalyptic number.

It is an amenable number.

79797837537 is a deficient number, since it is larger than the sum of its proper divisors (45944209647).

79797837537 is a wasteful number, since it uses less digits than its factorization.

79797837537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806038780 (or 806038777 counting only the distinct ones).

The product of its digits is 490092120, while the sum is 72.

The spelling of 79797837537 in words is "seventy-nine billion, seven hundred ninety-seven million, eight hundred thirty-seven thousand, five hundred thirty-seven".