838758375500 has 48 divisors (see below), whose sum is σ = 1836462954144. Its totient is φ = 334658174400.

The previous prime is 838758375467. The next prime is 838758375503. The reversal of 838758375500 is 5573857838.

It is a happy number.

It is a super-2 number, since 2×838758375500² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 838758375500.

It is not an unprimeable number, because it can be changed into a prime (838758375503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1914242 + ... + 2311241.

It is an arithmetic number, because the mean of its divisors is an integer number (38259644878).

Almost surely, 2^838758375500 is an apocalyptic number.

It is an amenable number.

838758375500 is an abundant number, since it is smaller than the sum of its proper divisors (997704578644).

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

838758375500 is a wasteful number, since it uses less digits than its factorization.

838758375500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225899 (or 4225887 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 838758375500 in words is "eight hundred thirty-eight billion, seven hundred fifty-eight million, three hundred seventy-five thousand, five hundred".