189377577312 has 96 divisors (see below), whose sum is σ = 619781186304. Its totient is φ = 49188979200.

The previous prime is 189377577281. The next prime is 189377577331. The reversal of 189377577312 is 213775773981.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12802239 + ... + 12817022.

It is an arithmetic number, because the mean of its divisors is an integer number (6456054024).

Almost surely, 2^189377577312 is an apocalyptic number.

189377577312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189377577312 is an abundant number, since it is smaller than the sum of its proper divisors (430403608992).

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

189377577312 is a wasteful number, since it uses less digits than its factorization.

189377577312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25619292 (or 25619284 counting only the distinct ones).

The product of its digits is 15558480, while the sum is 60.

The spelling of 189377577312 in words is "one hundred eighty-nine billion, three hundred seventy-seven million, five hundred seventy-seven thousand, three hundred twelve".