378078964 has 6 divisors (see below), whose sum is σ = 661638194. Its totient is φ = 189039480.

The previous prime is 378078949. The next prime is 378078973. The reversal of 378078964 is 469870873.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 287980900 + 90098064 = 16970^2 + 9492^2 .

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 as a sum of consecutive naturals, namely, 47259867 + ... + 47259874.

Almost surely, 2^378078964 is an apocalyptic number.

It is an amenable number.

378078964 is a deficient number, since it is larger than the sum of its proper divisors (283559230).

378078964 is a wasteful number, since it uses less digits than its factorization.

378078964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94519745 (or 94519743 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 378078964 is about 19444.2527241342. The cubic root of 378078964 is about 723.0930234915.

The spelling of 378078964 in words is "three hundred seventy-eight million, seventy-eight thousand, nine hundred sixty-four".