313778047 has 12 divisors (see below), whose sum is σ = 346727808. Its totient is φ = 283738400.

The previous prime is 313778041. The next prime is 313778053. The reversal of 313778047 is 740877313.

It is an interprime number because it is at equal distance from previous prime (313778041) and next prime (313778053).

It is a de Polignac number, because none of the positive numbers 2^k-313778047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313778041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16323 + ... + 29899.

It is an arithmetic number, because the mean of its divisors is an integer number (28893984).

Almost surely, 2^313778047 is an apocalyptic number.

313778047 is a deficient number, since it is larger than the sum of its proper divisors (32949761).

313778047 is a wasteful number, since it uses less digits than its factorization.

313778047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13790 (or 13779 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 313778047 is about 17713.7812733476. The cubic root of 313778047 is about 679.5282533978.

The spelling of 313778047 in words is "three hundred thirteen million, seven hundred seventy-eight thousand, forty-seven".