87313158 has 24 divisors (see below), whose sum is σ = 190146528. Its totient is φ = 28955472.

The previous prime is 87313123. The next prime is 87313159. The reversal of 87313158 is 85131378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87313159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8766 + ... + 15857.

It is an arithmetic number, because the mean of its divisors is an integer number (7922772).

Almost surely, 2^87313158 is an apocalyptic number.

87313158 is an abundant number, since it is smaller than the sum of its proper divisors (102833370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87313158 is a wasteful number, since it uses less digits than its factorization.

87313158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828 (or 24825 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 87313158 is about 9344.1510047730. The cubic root of 87313158 is about 443.6357799526.

The spelling of 87313158 in words is "eighty-seven million, three hundred thirteen thousand, one hundred fifty-eight".