87081088 has 16 divisors (see below), whose sum is σ = 173482110. Its totient is φ = 43540480.

The previous prime is 87081073. The next prime is 87081097. The reversal of 87081088 is 88018078.

It can be written as a sum of positive squares in only one way, i.e., 52881984 + 34199104 = 7272^2 + 5848^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 87081088.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340033 + ... + 340288.

Almost surely, 2^87081088 is an apocalyptic number.

It is an amenable number.

87081088 is a deficient number, since it is larger than the sum of its proper divisors (86401022).

87081088 is an equidigital number, since it uses as much as digits as its factorization.

87081088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680335 (or 680323 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 40.

The square root of 87081088 is about 9331.7248137737. The cubic root of 87081088 is about 443.2423840919.

The spelling of 87081088 in words is "eighty-seven million, eighty-one thousand, eighty-eight".