312273404777 has 8 divisors (see below), whose sum is σ = 313189929864. Its totient is φ = 311357060608.

The previous prime is 312273404683. The next prime is 312273404801. The reversal of 312273404777 is 777404372213.

It can be written as a sum of positive squares in 4 ways, for example, as 3671056 + 312269733721 = 1916^2 + 558811^2 .

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 312273404777 - 2²⁶ = 312206295913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312273404477) 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 7 ways as a sum of consecutive naturals, for example, 3918743 + ... + 3997635.

It is an arithmetic number, because the mean of its divisors is an integer number (39148741233).

Almost surely, 2^312273404777 is an apocalyptic number.

It is an amenable number.

312273404777 is a deficient number, since it is larger than the sum of its proper divisors (916525087).

312273404777 is a wasteful number, since it uses less digits than its factorization.

312273404777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90459.

The product of its (nonzero) digits is 1382976, while the sum is 47.

The spelling of 312273404777 in words is "three hundred twelve billion, two hundred seventy-three million, four hundred four thousand, seven hundred seventy-seven".