312346537777 has 4 divisors (see below), whose sum is σ = 322422232576. Its totient is φ = 302270842980.

The previous prime is 312346537697. The next prime is 312346537823. The reversal of 312346537777 is 777735643213.

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.

It is a cyclic number.

It is not a de Polignac number, because 312346537777 - 2¹⁹ = 312346013489 is a prime.

It is a super-2 number, since 2×312346537777² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312346532777) 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, 5037847353 + ... + 5037847414.

It is an arithmetic number, because the mean of its divisors is an integer number (80605558144).

Almost surely, 2^312346537777 is an apocalyptic number.

It is an amenable number.

312346537777 is a deficient number, since it is larger than the sum of its proper divisors (10075694799).

312346537777 is a wasteful number, since it uses less digits than its factorization.

312346537777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10075694798.

The product of its digits is 15558480, while the sum is 55.

The spelling of 312346537777 in words is "three hundred twelve billion, three hundred forty-six million, five hundred thirty-seven thousand, seven hundred seventy-seven".