312276877 has 4 divisors (see below), whose sum is σ = 340665696. Its totient is φ = 283888060.

The previous prime is 312276821. The next prime is 312276889. The reversal of 312276877 is 778672213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778672213 = 11 ⋅70788383.

It is a cyclic number.

It is not a de Polignac number, because 312276877 - 2¹¹ = 312274829 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 (312276677) 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 3 ways as a sum of consecutive naturals, for example, 14194393 + ... + 14194414.

It is an arithmetic number, because the mean of its divisors is an integer number (85166424).

Almost surely, 2^312276877 is an apocalyptic number.

It is an amenable number.

312276877 is a deficient number, since it is larger than the sum of its proper divisors (28388819).

312276877 is a wasteful number, since it uses less digits than its factorization.

312276877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28388818.

The product of its digits is 197568, while the sum is 43.

The square root of 312276877 is about 17671.3575313274. The cubic root of 312276877 is about 678.4428592948.

The spelling of 312276877 in words is "three hundred twelve million, two hundred seventy-six thousand, eight hundred seventy-seven".