79937873997 has 24 divisors (see below), whose sum is σ = 114430812384. Its totient is φ = 49597140384.

The previous prime is 79937873987. The next prime is 79937874031.

79937873997 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 79937873997 - 2¹² = 79937869901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79937873987) 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 23 ways as a sum of consecutive naturals, for example, 621963 + ... + 739400.

It is an arithmetic number, because the mean of its divisors is an integer number (4767950516).

Almost surely, 2^79937873997 is an apocalyptic number.

It is an amenable number.

79937873997 is a deficient number, since it is larger than the sum of its proper divisors (34492938387).

79937873997 is a wasteful number, since it uses less digits than its factorization.

79937873997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361449 (or 1361426 counting only the distinct ones).

The product of its digits is 1134213192, while the sum is 78.

The spelling of 79937873997 in words is "seventy-nine billion, nine hundred thirty-seven million, eight hundred seventy-three thousand, nine hundred ninety-seven".