318674157287 has 2 divisors, whose sum is σ = 318674157288. Its totient is φ = 318674157286.

The previous prime is 318674157283. The next prime is 318674157299. The reversal of 318674157287 is 782751476813.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 318674157287 - 2² = 318674157283 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318674157281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159337078643 + 159337078644.

It is an arithmetic number, because the mean of its divisors is an integer number (159337078644).

Almost surely, 2^318674157287 is an apocalyptic number.

318674157287 is a deficient number, since it is larger than the sum of its proper divisors (1).

318674157287 is an equidigital number, since it uses as much as digits as its factorization.

318674157287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15805440, while the sum is 59.

The spelling of 318674157287 in words is "three hundred eighteen billion, six hundred seventy-four million, one hundred fifty-seven thousand, two hundred eighty-seven".