117789672025 has 27 divisors (see below), whose sum is σ = 148019127391. Its totient is φ = 92983844240.

The previous prime is 117789671977. The next prime is 117789672043. The reversal of 117789672025 is 520276987711.

The square root of 117789672025 is 343205.

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

It can be written as a sum of positive squares in only one way, i.e., 42404281929 + 75385390096 = 205923^2 + 274564^2 .

It is not a de Polignac number, because 117789672025 - 2⁷ = 117789671897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 142429662 + ... + 142430488.

Almost surely, 2^117789672025 is an apocalyptic number.

117789672025 is the 343205-th square number.

117789672025 is the 171603-rd centered octagonal number.

It is an amenable number.

117789672025 is a deficient number, since it is larger than the sum of its proper divisors (30229455366).

117789672025 is an frugal number, since it uses more digits than its factorization.

117789672025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 117789672025 in words is "one hundred seventeen billion, seven hundred eighty-nine million, six hundred seventy-two thousand, twenty-five".