388384173387 has 96 divisors (see below), whose sum is σ = 681744660480. Its totient is φ = 208315618560.

The previous prime is 388384173383. The next prime is 388384173409. The reversal of 388384173387 is 783371483883.

388384173387 is a `hidden beast` number, since 3 + 8 + 8 + 3 + 84 + 173 + 387 = 666.

It is not a de Polignac number, because 388384173387 - 2² = 388384173383 is a prime.

It is a super-2 number, since 2×388384173387² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (388384173383) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 161087212 + ... + 161089622.

It is an arithmetic number, because the mean of its divisors is an integer number (7101506880).

Almost surely, 2^388384173387 is an apocalyptic number.

388384173387 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

388384173387 is a deficient number, since it is larger than the sum of its proper divisors (293360487093).

388384173387 is a wasteful number, since it uses less digits than its factorization.

388384173387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873 (or 4870 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 388384173387 in words is "three hundred eighty-eight billion, three hundred eighty-four million, one hundred seventy-three thousand, three hundred eighty-seven".