87930285 has 16 divisors (see below), whose sum is σ = 140989056. Its totient is φ = 46795968.

The previous prime is 87930263. The next prime is 87930319. The reversal of 87930285 is 58203978.

It is not a de Polignac number, because 87930285 - 2⁵ = 87930253 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1287 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (8811816).

Almost surely, 2^87930285 is an apocalyptic number.

It is an amenable number.

87930285 is a deficient number, since it is larger than the sum of its proper divisors (53058771).

87930285 is a wasteful number, since it uses less digits than its factorization.

87930285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12532.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 87930285 is about 9377.1149614367. The cubic root of 87930285 is about 444.6785289222.

The spelling of 87930285 in words is "eighty-seven million, nine hundred thirty thousand, two hundred eighty-five".