378555375 has 32 divisors (see below), whose sum is σ = 687188736. Its totient is φ = 183540000.

The previous prime is 378555347. The next prime is 378555383. The reversal of 378555375 is 573555873.

It is a happy number.

It is not a de Polignac number, because 378555375 - 2⁸ = 378555119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41761 + ... + 50010.

It is an arithmetic number, because the mean of its divisors is an integer number (21474648).

Almost surely, 2^378555375 is an apocalyptic number.

378555375 is a deficient number, since it is larger than the sum of its proper divisors (308633361).

378555375 is a wasteful number, since it uses less digits than its factorization.

378555375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91800 (or 91790 counting only the distinct ones).

The product of its digits is 2205000, while the sum is 48.

The square root of 378555375 is about 19456.4995567034. The cubic root of 378555375 is about 723.3966151652.

The spelling of 378555375 in words is "three hundred seventy-eight million, five hundred fifty-five thousand, three hundred seventy-five".