87815095 has 8 divisors (see below), whose sum is σ = 108777600. Its totient is φ = 67985760.

The previous prime is 87815083. The next prime is 87815179. The reversal of 87815095 is 59051878.

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

It is not a de Polignac number, because 87815095 - 2¹⁵ = 87782327 is a prime.

It is a super-2 number, since 2×87815095² = 15422981819718050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283120 + ... + 283429.

It is an arithmetic number, because the mean of its divisors is an integer number (13597200).

Almost surely, 2^87815095 is an apocalyptic number.

87815095 is a deficient number, since it is larger than the sum of its proper divisors (20962505).

87815095 is a wasteful number, since it uses less digits than its factorization.

87815095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566585.

The product of its (nonzero) digits is 100800, while the sum is 43.

The square root of 87815095 is about 9370.9708675249. The cubic root of 87815095 is about 444.4842655408.

The spelling of 87815095 in words is "eighty-seven million, eight hundred fifteen thousand, ninety-five".