378975516 has 12 divisors (see below), whose sum is σ = 884276232. Its totient is φ = 126325168.

The previous prime is 378975473. The next prime is 378975529. The reversal of 378975516 is 615579873.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15790635 + ... + 15790658.

It is an arithmetic number, because the mean of its divisors is an integer number (73689686).

Almost surely, 2^378975516 is an apocalyptic number.

It is an amenable number.

378975516 is an abundant number, since it is smaller than the sum of its proper divisors (505300716).

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

378975516 is a wasteful number, since it uses less digits than its factorization.

378975516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31581300 (or 31581298 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 51.

The square root of 378975516 is about 19467.2934944743. The cubic root of 378975516 is about 723.6641376361.

The spelling of 378975516 in words is "three hundred seventy-eight million, nine hundred seventy-five thousand, five hundred sixteen".