312077 has 4 divisors (see below), whose sum is σ = 322176. Its totient is φ = 301980.

The previous prime is 312073. The next prime is 312083. The reversal of 312077 is 770213.

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: 770213 = 383 ⋅2011.

It is a cyclic number.

It is not a de Polignac number, because 312077 - 2² = 312073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 312077.

It is not an unprimeable number, because it can be changed into a prime (312071) 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, 5003 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (80544).

2³¹²⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

312077 is a deficient number, since it is larger than the sum of its proper divisors (10099).

312077 is a wasteful number, since it uses less digits than its factorization.

312077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10098.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 312077 is about 558.6385235553. The cubic root of 312077 is about 67.8298079586.

The spelling of 312077 in words is "three hundred twelve thousand, seventy-seven", and thus it is an iban number.