378762664 has 32 divisors (see below), whose sum is σ = 824947200. Its totient is φ = 159664320.

The previous prime is 378762653. The next prime is 378762691. The reversal of 378762664 is 466267873.

378762664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×378762664³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 52024 + ... + 58855.

It is an arithmetic number, because the mean of its divisors is an integer number (25779600).

Almost surely, 2^378762664 is an apocalyptic number.

It is an amenable number.

378762664 is an abundant number, since it is smaller than the sum of its proper divisors (446184536).

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

378762664 is a wasteful number, since it uses less digits than its factorization.

378762664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110953 (or 110949 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 49.

The square root of 378762664 is about 19461.8258136281. The cubic root of 378762664 is about 723.5286300204.

The spelling of 378762664 in words is "three hundred seventy-eight million, seven hundred sixty-two thousand, six hundred sixty-four".