118889557 has 8 divisors (see below), whose sum is σ = 124558592. Its totient is φ = 113335200.

The previous prime is 118889527. The next prime is 118889567. The reversal of 118889557 is 755988811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 118889557 - 2¹⁵ = 118856789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118889527) 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 7 ways as a sum of consecutive naturals, for example, 26544 + ... + 30697.

It is an arithmetic number, because the mean of its divisors is an integer number (15569824).

Almost surely, 2^118889557 is an apocalyptic number.

It is an amenable number.

118889557 is a deficient number, since it is larger than the sum of its proper divisors (5669035).

118889557 is an equidigital number, since it uses as much as digits as its factorization.

118889557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57339.

The product of its digits is 806400, while the sum is 52.

The square root of 118889557 is about 10903.6487929500. The cubic root of 118889557 is about 491.7162598767.

The spelling of 118889557 in words is "one hundred eighteen million, eight hundred eighty-nine thousand, five hundred fifty-seven".