314285778 has 32 divisors (see below), whose sum is σ = 701438400. Its totient is φ = 104308128.

The previous prime is 314285773. The next prime is 314285837. The reversal of 314285778 is 877582413.

314285778 is a `hidden beast` number, since 31 + 42 + 8 + 577 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (314285773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93 + ... + 25071.

It is an arithmetic number, because the mean of its divisors is an integer number (21919950).

Almost surely, 2^314285778 is an apocalyptic number.

314285778 is an abundant number, since it is smaller than the sum of its proper divisors (387152622).

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

314285778 is a wasteful number, since it uses less digits than its factorization.

314285778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25223 (or 25217 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 314285778 is about 17728.1070055435. The cubic root of 314285778 is about 679.8945756401.

The spelling of 314285778 in words is "three hundred fourteen million, two hundred eighty-five thousand, seven hundred seventy-eight".