188320001377 has 8 divisors (see below), whose sum is σ = 189595935360. Its totient is φ = 187044446400.

The previous prime is 188320001351. The next prime is 188320001449. The reversal of 188320001377 is 773100023881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-188320001377 is a prime.

It is a super-2 number, since 2×188320001377² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188320001327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 940524 + ... + 1123042.

It is an arithmetic number, because the mean of its divisors is an integer number (23699491920).

Almost surely, 2^188320001377 is an apocalyptic number.

It is an amenable number.

188320001377 is a deficient number, since it is larger than the sum of its proper divisors (1275933983).

188320001377 is a wasteful number, since it uses less digits than its factorization.

188320001377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189503.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 188320001377 in words is "one hundred eighty-eight billion, three hundred twenty million, one thousand, three hundred seventy-seven".