87880559 has 8 divisors (see below), whose sum is σ = 96245520. Its totient is φ = 79744896.

The previous prime is 87880549. The next prime is 87880561. The reversal of 87880559 is 95508878.

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

It is a cyclic number.

It is not a de Polignac number, because 87880559 - 2⁴ = 87880543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87880549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56522 + ... + 58055.

It is an arithmetic number, because the mean of its divisors is an integer number (12030690).

Almost surely, 2^87880559 is an apocalyptic number.

87880559 is a deficient number, since it is larger than the sum of its proper divisors (8364961).

87880559 is a wasteful number, since it uses less digits than its factorization.

87880559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114649.

The product of its (nonzero) digits is 806400, while the sum is 50.

The square root of 87880559 is about 9374.4631312945. The cubic root of 87880559 is about 444.5946888130.

The spelling of 87880559 in words is "eighty-seven million, eight hundred eighty thousand, five hundred fifty-nine".