79289898536 has 16 divisors (see below), whose sum is σ = 148789545300. Its totient is φ = 39612686464.

The previous prime is 79289898481. The next prime is 79289898559. The reversal of 79289898536 is 63589898297.

It can be written as a sum of positive squares in 2 ways, for example, as 79126314436 + 163584100 = 281294^2 + 12790^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4022405 + ... + 4042068.

Almost surely, 2^79289898536 is an apocalyptic number.

It is an amenable number.

79289898536 is a deficient number, since it is larger than the sum of its proper divisors (69499646764).

79289898536 is a wasteful number, since it uses less digits than its factorization.

79289898536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065708 (or 8065704 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 74.

The spelling of 79289898536 in words is "seventy-nine billion, two hundred eighty-nine million, eight hundred ninety-eight thousand, five hundred thirty-six".