312077859 has 4 divisors (see below), whose sum is σ = 416103816. Its totient is φ = 208051904.

The previous prime is 312077827. The next prime is 312077861. The reversal of 312077859 is 958770213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312077859 - 2⁵ = 312077827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312077859.

It is not an unprimeable number, because it can be changed into a prime (312070859) 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, 52012974 + ... + 52012979.

It is an arithmetic number, because the mean of its divisors is an integer number (104025954).

Almost surely, 2^312077859 is an apocalyptic number.

312077859 is a deficient number, since it is larger than the sum of its proper divisors (104025957).

312077859 is a wasteful number, since it uses less digits than its factorization.

312077859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104025956.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 312077859 is about 17665.7255441151. The cubic root of 312077859 is about 678.2987019301.

The spelling of 312077859 in words is "three hundred twelve million, seventy-seven thousand, eight hundred fifty-nine".