387993464376 has 128 divisors (see below), whose sum is σ = 1138807541760. Its totient is φ = 107831347200.

The previous prime is 387993464363. The next prime is 387993464461. The reversal of 387993464376 is 673464399783.

It is a self number, because there is not a number n which added to its sum of digits gives 387993464376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40281081 + ... + 40290711.

It is an arithmetic number, because the mean of its divisors is an integer number (8896933920).

Almost surely, 2^387993464376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387993464376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (569403770880).

387993464376 is an abundant number, since it is smaller than the sum of its proper divisors (750814077384).

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

387993464376 is a wasteful number, since it uses less digits than its factorization.

387993464376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16165 (or 16161 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 69.

The spelling of 387993464376 in words is "three hundred eighty-seven billion, nine hundred ninety-three million, four hundred sixty-four thousand, three hundred seventy-six".