87313154 has 8 divisors (see below), whose sum is σ = 133441020. Its totient is φ = 42832816.

The previous prime is 87313123. The next prime is 87313159. The reversal of 87313154 is 45131378.

It can be written as a sum of positive squares in 2 ways, for example, as 85137529 + 2175625 = 9227^2 + 1475^2 .

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

It is a super-2 number, since 2×87313154² = 15247173722855432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87313154.

It is not an unprimeable number, because it can be changed into a prime (87313159) 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, 411749 + ... + 411960.

Almost surely, 2^87313154 is an apocalyptic number.

87313154 is a deficient number, since it is larger than the sum of its proper divisors (46127866).

87313154 is a wasteful number, since it uses less digits than its factorization.

87313154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823764.

The product of its digits is 10080, while the sum is 32.

The square root of 87313154 is about 9344.1507907353. The cubic root of 87313154 is about 443.6357731780.

The spelling of 87313154 in words is "eighty-seven million, three hundred thirteen thousand, one hundred fifty-four".