87876559 has 4 divisors (see below), whose sum is σ = 87979720. Its totient is φ = 87773400.

The previous prime is 87876557. The next prime is 87876589. The reversal of 87876559 is 95567878.

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 87876559 - 2¹ = 87876557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87876557) by changing a digit.

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, 50292 + ... + 52009.

It is an arithmetic number, because the mean of its divisors is an integer number (21994930).

Almost surely, 2^87876559 is an apocalyptic number.

87876559 is a deficient number, since it is larger than the sum of its proper divisors (103161).

87876559 is a wasteful number, since it uses less digits than its factorization.

87876559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103160.

The product of its digits is 4233600, while the sum is 55.

The square root of 87876559 is about 9374.2497833160. The cubic root of 87876559 is about 444.5879432720.

The spelling of 87876559 in words is "eighty-seven million, eight hundred seventy-six thousand, five hundred fifty-nine".