387519716081904 has 80 divisors (see below), whose sum is σ = 1144109955252480. Its totient is φ = 110719519511040.

The previous prime is 387519716081777. The next prime is 387519716081917. The reversal of 387519716081904 is 409180617915783.

It is a congruent number.

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, 98426107 + ... + 102287525.

It is an arithmetic number, because the mean of its divisors is an integer number (14301374440656).

Almost surely, 2^{387519716081904} is an apocalyptic number.

It is an amenable number.

387519716081904 is an abundant number, since it is smaller than the sum of its proper divisors (756590239170576).

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

387519716081904 is a wasteful number, since it uses less digits than its factorization.

387519716081904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4160118 (or 4160112 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 69.

The spelling of 387519716081904 in words is "three hundred eighty-seven trillion, five hundred nineteen billion, seven hundred sixteen million, eighty-one thousand, nine hundred four".