388705371852 has 48 divisors (see below), whose sum is σ = 1037001405440. Its totient is φ = 111010061952.

The previous prime is 388705371839. The next prime is 388705371863. The reversal of 388705371852 is 258173507883.

It is a super-2 number, since 2×388705371852² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388705371792 and 388705371801.

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, 819577 + ... + 1203792.

Almost surely, 2^388705371852 is an apocalyptic number.

It is an amenable number.

388705371852 is an abundant number, since it is smaller than the sum of its proper divisors (648296033588).

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

388705371852 is a wasteful number, since it uses less digits than its factorization.

388705371852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025670 (or 2025668 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 57.

The spelling of 388705371852 in words is "three hundred eighty-eight billion, seven hundred five million, three hundred seventy-one thousand, eight hundred fifty-two".