378675656 has 16 divisors (see below), whose sum is σ = 716301900. Its totient is φ = 187661824.

The previous prime is 378675637. The next prime is 378675659. The reversal of 378675656 is 656576873.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 263542756 + 115132900 = 16234^2 + 10730^2 .

It is a junction number, because it is equal to n+sod(n) for n = 378675598 and 378675607.

It is not an unprimeable number, because it can be changed into a prime (378675659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208541 + ... + 210348.

Almost surely, 2^378675656 is an apocalyptic number.

It is an amenable number.

378675656 is a deficient number, since it is larger than the sum of its proper divisors (337626244).

378675656 is a wasteful number, since it uses less digits than its factorization.

378675656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419008 (or 419004 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 53.

The square root of 378675656 is about 19459.5903348452. The cubic root of 378675656 is about 723.4732236441.

The spelling of 378675656 in words is "three hundred seventy-eight million, six hundred seventy-five thousand, six hundred fifty-six".