314257397778 has 12 divisors (see below), whose sum is σ = 680891028558. Its totient is φ = 104752465920.

The previous prime is 314257397719. The next prime is 314257397789. The reversal of 314257397778 is 877793752413.

314257397778 is a `hidden beast` number, since 3 + 1 + 425 + 73 + 9 + 77 + 78 = 666.

It can be written as a sum of positive squares in only one way, i.e., 266166223569 + 48091174209 = 515913^2 + 219297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8729372143 + ... + 8729372178.

Almost surely, 2^314257397778 is an apocalyptic number.

314257397778 is an abundant number, since it is smaller than the sum of its proper divisors (366633630780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

314257397778 is a wasteful number, since it uses less digits than its factorization.

314257397778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17458744329 (or 17458744326 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 63.

The spelling of 314257397778 in words is "three hundred fourteen billion, two hundred fifty-seven million, three hundred ninety-seven thousand, seven hundred seventy-eight".