87875560 has 16 divisors (see below), whose sum is σ = 197720100. Its totient is φ = 35150208.

The previous prime is 87875549. The next prime is 87875561. The reversal of 87875560 is 6557878.

It can be written as a sum of positive squares in 2 ways, for example, as 85784644 + 2090916 = 9262^2 + 1446^2 .

It is a super-2 number, since 2×87875560² = 15444228090627200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87875560.

It is not an unprimeable number, because it can be changed into a prime (87875561) 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, 1098405 + ... + 1098484.

Almost surely, 2^87875560 is an apocalyptic number.

It is an amenable number.

87875560 is an abundant number, since it is smaller than the sum of its proper divisors (109844540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87875560 is a wasteful number, since it uses less digits than its factorization.

87875560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196900 (or 2196896 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The square root of 87875560 is about 9374.1964989006. The cubic root of 87875560 is about 444.5862585412.

The spelling of 87875560 in words is "eighty-seven million, eight hundred seventy-five thousand, five hundred sixty".