387778372 has 36 divisors (see below), whose sum is σ = 739931920. Its totient is φ = 177321312.

The previous prime is 387778337. The next prime is 387778397. The reversal of 387778372 is 273877783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60883 + ... + 66949.

Almost surely, 2^387778372 is an apocalyptic number.

It is an amenable number.

387778372 is a deficient number, since it is larger than the sum of its proper divisors (352153548).

387778372 is a wasteful number, since it uses less digits than its factorization.

387778372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148 (or 6117 counting only the distinct ones).

The product of its digits is 2765952, while the sum is 52.

The square root of 387778372 is about 19692.0890715028. The cubic root of 387778372 is about 729.2244042502.

The spelling of 387778372 in words is "three hundred eighty-seven million, seven hundred seventy-eight thousand, three hundred seventy-two".