87028630 has 16 divisors (see below), whose sum is σ = 168701904. Its totient is φ = 32133600.

The previous prime is 87028621. The next prime is 87028657. The reversal of 87028630 is 3682078.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 334596 + ... + 334855.

It is an arithmetic number, because the mean of its divisors is an integer number (10543869).

Almost surely, 2^87028630 is an apocalyptic number.

87028630 is a deficient number, since it is larger than the sum of its proper divisors (81673274).

87028630 is a wasteful number, since it uses less digits than its factorization.

87028630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669471.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 87028630 is about 9328.9136559409. The cubic root of 87028630 is about 443.1533625449.

The spelling of 87028630 in words is "eighty-seven million, twenty-eight thousand, six hundred thirty".