16879587797 has 2 divisors, whose sum is σ = 16879587798. Its totient is φ = 16879587796.

The previous prime is 16879587773. The next prime is 16879587833. The reversal of 16879587797 is 79778597861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8753286481 + 8126301316 = 93559^2 + 90146^2 .

It is a cyclic number.

It is not a de Polignac number, because 16879587797 - 2²⁰ = 16878539221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16879587757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8439793898 + 8439793899.

It is an arithmetic number, because the mean of its divisors is an integer number (8439793899).

Almost surely, 2^16879587797 is an apocalyptic number.

It is an amenable number.

16879587797 is a deficient number, since it is larger than the sum of its proper divisors (1).

16879587797 is an equidigital number, since it uses as much as digits as its factorization.

16879587797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373403520, while the sum is 74.

The spelling of 16879587797 in words is "sixteen billion, eight hundred seventy-nine million, five hundred eighty-seven thousand, seven hundred ninety-seven".