312047899 has 8 divisors (see below), whose sum is σ = 327302208. Its totient is φ = 297152640.

The previous prime is 312047893. The next prime is 312047909. The reversal of 312047899 is 998740213.

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 312047899 - 2²¹ = 309950747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312047893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87982 + ... + 91459.

It is an arithmetic number, because the mean of its divisors is an integer number (40912776).

Almost surely, 2^312047899 is an apocalyptic number.

312047899 is a deficient number, since it is larger than the sum of its proper divisors (15254309).

312047899 is a wasteful number, since it uses less digits than its factorization.

312047899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179525.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 312047899 is about 17664.8775540619. The cubic root of 312047899 is about 678.2769952962.

The spelling of 312047899 in words is "three hundred twelve million, forty-seven thousand, eight hundred ninety-nine".