387969602920 has 16 divisors (see below), whose sum is σ = 872931606660. Its totient is φ = 155187841152.

The previous prime is 387969602903. The next prime is 387969602927. The reversal of 387969602920 is 29206969783.

It can be written as a sum of positive squares in 2 ways, for example, as 365330789476 + 22638813444 = 604426^2 + 150462^2 .

It is not an unprimeable number, because it can be changed into a prime (387969602927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4849619997 + ... + 4849620076.

Almost surely, 2^387969602920 is an apocalyptic number.

It is an amenable number.

387969602920 is an abundant number, since it is smaller than the sum of its proper divisors (484962003740).

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

387969602920 is a wasteful number, since it uses less digits than its factorization.

387969602920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9699240084 (or 9699240080 counting only the distinct ones).

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 387969602920 in words is "three hundred eighty-seven billion, nine hundred sixty-nine million, six hundred two thousand, nine hundred twenty".