312223777086 has 32 divisors (see below), whose sum is σ = 685170329760. Its totient is φ = 94256233344.

The previous prime is 312223777079. The next prime is 312223777091. The reversal of 312223777086 is 680777322213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37758781 + ... + 37767048.

It is an arithmetic number, because the mean of its divisors is an integer number (21411572805).

Almost surely, 2^312223777086 is an apocalyptic number.

312223777086 is an abundant number, since it is smaller than the sum of its proper divisors (372946552674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312223777086 is a wasteful number, since it uses less digits than its factorization.

312223777086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75525900.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 312223777086 in words is "three hundred twelve billion, two hundred twenty-three million, seven hundred seventy-seven thousand, eighty-six".