118672889 has 2 divisors, whose sum is σ = 118672890. Its totient is φ = 118672888.

The previous prime is 118672871. The next prime is 118672921. The reversal of 118672889 is 988276811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110607289 + 8065600 = 10517^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 118672889 - 2²⁰ = 117624313 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118672289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59336444 + 59336445.

It is an arithmetic number, because the mean of its divisors is an integer number (59336445).

Almost surely, 2^118672889 is an apocalyptic number.

It is an amenable number.

118672889 is a deficient number, since it is larger than the sum of its proper divisors (1).

118672889 is an equidigital number, since it uses as much as digits as its factorization.

118672889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 50.

The square root of 118672889 is about 10893.7086889636. The cubic root of 118672889 is about 491.4173719368.

The spelling of 118672889 in words is "one hundred eighteen million, six hundred seventy-two thousand, eight hundred eighty-nine".