312779483 has 4 divisors (see below), whose sum is σ = 313464360. Its totient is φ = 312094608.

The previous prime is 312779479. The next prime is 312779497. The reversal of 312779483 is 384977213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312779483 - 2² = 312779479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312779183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341753 + ... + 342666.

It is an arithmetic number, because the mean of its divisors is an integer number (78366090).

Almost surely, 2^312779483 is an apocalyptic number.

312779483 is a deficient number, since it is larger than the sum of its proper divisors (684877).

312779483 is an equidigital number, since it uses as much as digits as its factorization.

312779483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684876.

The product of its digits is 254016, while the sum is 44.

The square root of 312779483 is about 17685.5727359902. The cubic root of 312779483 is about 678.8066461570.

The spelling of 312779483 in words is "three hundred twelve million, seven hundred seventy-nine thousand, four hundred eighty-three".