189779088 has 40 divisors (see below), whose sum is σ = 493404928. Its totient is φ = 62854272.

The previous prime is 189779069. The next prime is 189779129. The reversal of 189779088 is 880977981.

189779088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×189779088² = 72032204484223488, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5056 + ... + 20127.

Almost surely, 2^189779088 is an apocalyptic number.

It is an amenable number.

189779088 is an abundant number, since it is smaller than the sum of its proper divisors (303625840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189779088 is a wasteful number, since it uses less digits than its factorization.

189779088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25351 (or 25345 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 57.

The square root of 189779088 is about 13776.0331010055. The cubic root of 189779088 is about 574.6668144072. Note that the first 3 decimals are identical.

The spelling of 189779088 in words is "one hundred eighty-nine million, seven hundred seventy-nine thousand, eighty-eight".