87313159 has 2 divisors, whose sum is σ = 87313160. Its totient is φ = 87313158.

The previous prime is 87313123. The next prime is 87313199. The reversal of 87313159 is 95131378.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87313159 - 2¹¹ = 87311111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87313199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43656579 + 43656580.

It is an arithmetic number, because the mean of its divisors is an integer number (43656580).

Almost surely, 2^87313159 is an apocalyptic number.

87313159 is a deficient number, since it is larger than the sum of its proper divisors (1).

87313159 is an equidigital number, since it uses as much as digits as its factorization.

87313159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 37.

The square root of 87313159 is about 9344.1510582824. The cubic root of 87313159 is about 443.6357816462.

The spelling of 87313159 in words is "eighty-seven million, three hundred thirteen thousand, one hundred fifty-nine".