187713376320 has 112 divisors (see below), whose sum is σ = 599320071360. Its totient is φ = 49777207296.

The previous prime is 187713376309. The next prime is 187713376339. The reversal of 187713376320 is 23673317781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 187713376320.

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, 374347 + ... + 718026.

Almost surely, 2^187713376320 is an apocalyptic number.

187713376320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

187713376320 is an abundant number, since it is smaller than the sum of its proper divisors (411606695040).

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

187713376320 is a wasteful number, since it uses less digits than its factorization.

187713376320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092572 (or 1092562 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 48.

The spelling of 187713376320 in words is "one hundred eighty-seven billion, seven hundred thirteen million, three hundred seventy-six thousand, three hundred twenty".