389372870000 has 50 divisors (see below), whose sum is σ = 942710679768. Its totient is φ = 155749144000.

The previous prime is 389372869999. The next prime is 389372870011. The reversal of 389372870000 is 78273983.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-2 number, since 2×389372870000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19458644 + ... + 19478643.

Almost surely, 2^389372870000 is an apocalyptic number.

It is an amenable number.

389372870000 is an abundant number, since it is smaller than the sum of its proper divisors (553337809768).

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

389372870000 is an equidigital number, since it uses as much as digits as its factorization.

389372870000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38937315 (or 38937294 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 389372870000 in words is "three hundred eighty-nine billion, three hundred seventy-two million, eight hundred seventy thousand".