312772463 has 4 divisors (see below), whose sum is σ = 314645520. Its totient is φ = 310899408.

The previous prime is 312772459. The next prime is 312772489. The reversal of 312772463 is 364277213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364277213 = 47 ⋅7750579.

It is a cyclic number.

It is not a de Polignac number, because 312772463 - 2² = 312772459 is a prime.

It is a super-2 number, since 2×312772463² = 195653227222172738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312772363) 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, 936278 + ... + 936611.

It is an arithmetic number, because the mean of its divisors is an integer number (78661380).

Almost surely, 2^312772463 is an apocalyptic number.

312772463 is a deficient number, since it is larger than the sum of its proper divisors (1873057).

312772463 is a wasteful number, since it uses less digits than its factorization.

312772463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873056.

The product of its digits is 42336, while the sum is 35.

The square root of 312772463 is about 17685.3742680216. The cubic root of 312772463 is about 678.8015677566.

The spelling of 312772463 in words is "three hundred twelve million, seven hundred seventy-two thousand, four hundred sixty-three".