16877647396 has 27 divisors (see below), whose sum is σ = 31383701587. Its totient is φ = 7940343680.

The previous prime is 16877647363. The next prime is 16877647399. The reversal of 16877647396 is 69374677861.

The square root of 16877647396 is 129914.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 7940592100 + 8937055296 = 89110^2 + 94536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16877647399) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4415166 + ... + 4418986.

Almost surely, 2^16877647396 is an apocalyptic number.

16877647396 is the 129914-th square number.

It is an amenable number.

16877647396 is a deficient number, since it is larger than the sum of its proper divisors (14506054191).

16877647396 is an frugal number, since it uses more digits than its factorization.

16877647396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7680 (or 3840 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 64.

Multiplying 16877647396 by its sum of digits (64), we get a square (1080169433344 = 1039312²).

The spelling of 16877647396 in words is "sixteen billion, eight hundred seventy-seven million, six hundred forty-seven thousand, three hundred ninety-six".