312378676 has 6 divisors (see below), whose sum is σ = 546662690. Its totient is φ = 156189336.

The previous prime is 312378667. The next prime is 312378701. The reversal of 312378676 is 676873213.

It can be written as a sum of positive squares in only one way, i.e., 298391076 + 13987600 = 17274^2 + 3740^2 .

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, 39047331 + ... + 39047338.

Almost surely, 2^312378676 is an apocalyptic number.

It is an amenable number.

312378676 is a deficient number, since it is larger than the sum of its proper divisors (234284014).

312378676 is a wasteful number, since it uses less digits than its factorization.

312378676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78094673 (or 78094671 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 312378676 is about 17674.2376356096. The cubic root of 312378676 is about 678.5165730472.

The spelling of 312378676 in words is "three hundred twelve million, three hundred seventy-eight thousand, six hundred seventy-six".