387880785732 has 48 divisors (see below), whose sum is σ = 1021378881600. Its totient is φ = 113486540160.

The previous prime is 387880785709. The next prime is 387880785749. The reversal of 387880785732 is 237587088783.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 50659807 + ... + 50667462.

It is an arithmetic number, because the mean of its divisors is an integer number (21278726700).

Almost surely, 2^387880785732 is an apocalyptic number.

It is an amenable number.

387880785732 is an abundant number, since it is smaller than the sum of its proper divisors (633498095868).

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

387880785732 is a wasteful number, since it uses less digits than its factorization.

387880785732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101327316 (or 101327314 counting only the distinct ones).

The product of its (nonzero) digits is 126443520, while the sum is 66.

The spelling of 387880785732 in words is "three hundred eighty-seven billion, eight hundred eighty million, seven hundred eighty-five thousand, seven hundred thirty-two".