312082772665 has 8 divisors (see below), whose sum is σ = 386579950848. Its totient is φ = 241612469040.

The previous prime is 312082772641. The next prime is 312082772711. The reversal of 312082772665 is 566277280213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 312082772665 - 2⁵ = 312082772633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006718467 + ... + 1006718776.

It is an arithmetic number, because the mean of its divisors is an integer number (48322493856).

Almost surely, 2^312082772665 is an apocalyptic number.

It is an amenable number.

312082772665 is a deficient number, since it is larger than the sum of its proper divisors (74497178183).

312082772665 is a wasteful number, since it uses less digits than its factorization.

312082772665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013437279.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 312082772665 in words is "three hundred twelve billion, eighty-two million, seven hundred seventy-two thousand, six hundred sixty-five".