313239977 has 8 divisors (see below), whose sum is σ = 335865600. Its totient is φ = 291081024.

The previous prime is 313239961. The next prime is 313239989. The reversal of 313239977 is 779932313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313239977 - 2⁴ = 313239961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (313239937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115277 + ... + 117962.

It is an arithmetic number, because the mean of its divisors is an integer number (41983200).

Almost surely, 2^313239977 is an apocalyptic number.

It is an amenable number.

313239977 is a deficient number, since it is larger than the sum of its proper divisors (22625623).

313239977 is a wasteful number, since it uses less digits than its factorization.

313239977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233335.

The product of its digits is 214326, while the sum is 44.

The square root of 313239977 is about 17698.5868644929. The cubic root of 313239977 is about 679.1396103557.

The spelling of 313239977 in words is "three hundred thirteen million, two hundred thirty-nine thousand, nine hundred seventy-seven".