187377858868 has 48 divisors (see below), whose sum is σ = 347306097600. Its totient is φ = 88209596160.

The previous prime is 187377858851. The next prime is 187377858893. The reversal of 187377858868 is 868858773781.

It is a super-2 number, since 2×187377858868² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (76).

It is a junction number, because it is equal to n+sod(n) for n = 187377858794 and 187377858803.

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, 14531368 + ... + 14544256.

It is an arithmetic number, because the mean of its divisors is an integer number (7235543700).

Almost surely, 2^187377858868 is an apocalyptic number.

It is an amenable number.

187377858868 is a deficient number, since it is larger than the sum of its proper divisors (159928238732).

187377858868 is a wasteful number, since it uses less digits than its factorization.

187377858868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14080 (or 14078 counting only the distinct ones).

The product of its digits is 1011548160, while the sum is 76.

The spelling of 187377858868 in words is "one hundred eighty-seven billion, three hundred seventy-seven million, eight hundred fifty-eight thousand, eight hundred sixty-eight".