387776344 has 8 divisors (see below), whose sum is σ = 727080660. Its totient is φ = 193888168.

The previous prime is 387776327. The next prime is 387776353. The reversal of 387776344 is 443677783.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24236014 + ... + 24236029.

Almost surely, 2^387776344 is an apocalyptic number.

It is an amenable number.

387776344 is a deficient number, since it is larger than the sum of its proper divisors (339304316).

387776344 is a wasteful number, since it uses less digits than its factorization.

387776344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48472049 (or 48472045 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 49.

The square root of 387776344 is about 19692.0375786763. The cubic root of 387776344 is about 729.2231330175.

The spelling of 387776344 in words is "three hundred eighty-seven million, seven hundred seventy-six thousand, three hundred forty-four".