87275530 has 16 divisors (see below), whose sum is σ = 157417344. Its totient is φ = 34838800.

The previous prime is 87275527. The next prime is 87275549. The reversal of 87275530 is 3557278.

It is a self number, because there is not a number n which added to its sum of digits gives 87275530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3646 + ... + 13705.

It is an arithmetic number, because the mean of its divisors is an integer number (9838584).

Almost surely, 2^87275530 is an apocalyptic number.

87275530 is a deficient number, since it is larger than the sum of its proper divisors (70141814).

87275530 is a wasteful number, since it uses less digits than its factorization.

87275530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17861.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 87275530 is about 9342.1373357492. The cubic root of 87275530 is about 443.5720418476.

The spelling of 87275530 in words is "eighty-seven million, two hundred seventy-five thousand, five hundred thirty".