387278264 has 32 divisors (see below), whose sum is σ = 740280000. Its totient is φ = 189889920.

The previous prime is 387278179. The next prime is 387278341. The reversal of 387278264 is 462872783.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192737 + ... + 194735.

It is an arithmetic number, because the mean of its divisors is an integer number (23133750).

Almost surely, 2^387278264 is an apocalyptic number.

It is an amenable number.

387278264 is a deficient number, since it is larger than the sum of its proper divisors (353001736).

387278264 is a wasteful number, since it uses less digits than its factorization.

387278264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463 (or 2459 counting only the distinct ones).

The product of its digits is 903168, while the sum is 47.

The square root of 387278264 is about 19679.3867790640. The cubic root of 387278264 is about 728.9107819385.

The spelling of 387278264 in words is "three hundred eighty-seven million, two hundred seventy-eight thousand, two hundred sixty-four".