79752161499 has 16 divisors (see below), whose sum is σ = 107982487200. Its totient is φ = 52347534336.

The previous prime is 79752161497. The next prime is 79752161561. The reversal of 79752161499 is 99416125797.

It is not a de Polignac number, because 79752161499 - 2¹ = 79752161497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79752161497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195394 + ... + 444615.

It is an arithmetic number, because the mean of its divisors is an integer number (6748905450).

Almost surely, 2^79752161499 is an apocalyptic number.

79752161499 is a deficient number, since it is larger than the sum of its proper divisors (28230325701).

79752161499 is a wasteful number, since it uses less digits than its factorization.

79752161499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640654.

The product of its digits is 8573040, while the sum is 60.

The spelling of 79752161499 in words is "seventy-nine billion, seven hundred fifty-two million, one hundred sixty-one thousand, four hundred ninety-nine".