378747564 has 24 divisors (see below), whose sum is σ = 951725040. Its totient is φ = 116537664.

The previous prime is 378747547. The next prime is 378747571. The reversal of 378747564 is 465747873.

It is a happy 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, 1213779 + ... + 1214090.

It is an arithmetic number, because the mean of its divisors is an integer number (39655210).

Almost surely, 2^378747564 is an apocalyptic number.

It is an amenable number.

378747564 is an abundant number, since it is smaller than the sum of its proper divisors (572977476).

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

378747564 is a wasteful number, since it uses less digits than its factorization.

378747564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427889 (or 2427887 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 51.

The square root of 378747564 is about 19461.4378708255. The cubic root of 378747564 is about 723.5190150042.

The spelling of 378747564 in words is "three hundred seventy-eight million, seven hundred forty-seven thousand, five hundred sixty-four".