187113772 has 12 divisors (see below), whose sum is σ = 328504176. Its totient is φ = 93255440.

The previous prime is 187113761. The next prime is 187113793. The reversal of 187113772 is 277311781.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73963 + ... + 76450.

It is an arithmetic number, because the mean of its divisors is an integer number (27375348).

Almost surely, 2^187113772 is an apocalyptic number.

It is an amenable number.

187113772 is a deficient number, since it is larger than the sum of its proper divisors (141390404).

187113772 is a wasteful number, since it uses less digits than its factorization.

187113772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150728 (or 150726 counting only the distinct ones).

The product of its digits is 16464, while the sum is 37.

The square root of 187113772 is about 13678.9536149517. The cubic root of 187113772 is about 571.9638549544.

The spelling of 187113772 in words is "one hundred eighty-seven million, one hundred thirteen thousand, seven hundred seventy-two".