378557876 has 12 divisors (see below), whose sum is σ = 663281220. Its totient is φ = 189048960.

The previous prime is 378557869. The next prime is 378557911. The reversal of 378557876 is 678755873.

It can be written as a sum of positive squares in 2 ways, for example, as 296184100 + 82373776 = 17210^2 + 9076^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53765 + ... + 60396.

It is an arithmetic number, because the mean of its divisors is an integer number (55273435).

Almost surely, 2^378557876 is an apocalyptic number.

It is an amenable number.

378557876 is a deficient number, since it is larger than the sum of its proper divisors (284723344).

378557876 is a wasteful number, since it uses less digits than its factorization.

378557876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114994 (or 114992 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 56.

The square root of 378557876 is about 19456.5638281789. The cubic root of 378557876 is about 723.3982082487.

The spelling of 378557876 in words is "three hundred seventy-eight million, five hundred fifty-seven thousand, eight hundred seventy-six".