87813158 has 8 divisors (see below), whose sum is σ = 131798280. Its totient is φ = 43880400.

The previous prime is 87813157. The next prime is 87813169. The reversal of 87813158 is 85131878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87813158² = 15422301435865928, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87813157) 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, 8588 + ... + 15791.

It is an arithmetic number, because the mean of its divisors is an integer number (16474785).

Almost surely, 2^87813158 is an apocalyptic number.

87813158 is a deficient number, since it is larger than the sum of its proper divisors (43985122).

87813158 is a wasteful number, since it uses less digits than its factorization.

87813158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26182.

The product of its digits is 53760, while the sum is 41.

The square root of 87813158 is about 9370.8675158707. The cubic root of 87813158 is about 444.4809974149.

The spelling of 87813158 in words is "eighty-seven million, eight hundred thirteen thousand, one hundred fifty-eight".