87830032 has 20 divisors (see below), whose sum is σ = 172712656. Its totient is φ = 43259040.

The previous prime is 87830021. The next prime is 87830033. The reversal of 87830032 is 23003878.

It is a super-2 number, since 2×87830032² = 15428229042242048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87829976 and 87830003.

It is not an unprimeable number, because it can be changed into a prime (87830033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39894 + ... + 42037.

Almost surely, 2^87830032 is an apocalyptic number.

It is an amenable number.

87830032 is a deficient number, since it is larger than the sum of its proper divisors (84882624).

87830032 is a wasteful number, since it uses less digits than its factorization.

87830032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82006 (or 82000 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 87830032 is about 9371.7678161593. The cubic root of 87830032 is about 444.5094657833.

The spelling of 87830032 in words is "eighty-seven million, eight hundred thirty thousand, thirty-two".