87081850 has 24 divisors (see below), whose sum is σ = 162221760. Its totient is φ = 34779120.

The previous prime is 87081791. The next prime is 87081859. The reversal of 87081850 is 5818078.

It is not an unprimeable number, because it can be changed into a prime (87081859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54361 + ... + 55939.

It is an arithmetic number, because the mean of its divisors is an integer number (6759240).

Almost surely, 2^87081850 is an apocalyptic number.

87081850 is a deficient number, since it is larger than the sum of its proper divisors (75139910).

87081850 is a wasteful number, since it uses less digits than its factorization.

87081850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 37.

The square root of 87081850 is about 9331.7656421494. The cubic root of 87081850 is about 443.2436769471.

The spelling of 87081850 in words is "eighty-seven million, eighty-one thousand, eight hundred fifty".