87899495 has 4 divisors (see below), whose sum is σ = 105479400. Its totient is φ = 70319592.

The previous prime is 87899459. The next prime is 87899507. The reversal of 87899495 is 59499878.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87899495 - 2¹⁸ = 87637351 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8789945 + ... + 8789954.

It is an arithmetic number, because the mean of its divisors is an integer number (26369850).

Almost surely, 2^87899495 is an apocalyptic number.

87899495 is a deficient number, since it is larger than the sum of its proper divisors (17579905).

87899495 is a wasteful number, since it uses less digits than its factorization.

87899495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17579904.

The product of its digits is 6531840, while the sum is 59.

The square root of 87899495 is about 9375.4730547317. The cubic root of 87899495 is about 444.6266194262.

The spelling of 87899495 in words is "eighty-seven million, eight hundred ninety-nine thousand, four hundred ninety-five".