116672289 has 4 divisors (see below), whose sum is σ = 155563056. Its totient is φ = 77781524.

The previous prime is 116672273. The next prime is 116672299. The reversal of 116672289 is 982276611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116672289 - 2⁴ = 116672273 is a prime.

It is a super-2 number, since 2×116672289² = 27224846040999042, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116672289.

It is not an unprimeable number, because it can be changed into a prime (116672209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19445379 + ... + 19445384.

It is an arithmetic number, because the mean of its divisors is an integer number (38890764).

Almost surely, 2^116672289 is an apocalyptic number.

It is an amenable number.

116672289 is a deficient number, since it is larger than the sum of its proper divisors (38890767).

116672289 is an equidigital number, since it uses as much as digits as its factorization.

116672289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38890766.

The product of its digits is 72576, while the sum is 42.

The square root of 116672289 is about 10801.4947576713. The cubic root of 116672289 is about 488.6402521312.

The spelling of 116672289 in words is "one hundred sixteen million, six hundred seventy-two thousand, two hundred eighty-nine".