87307628 has 12 divisors (see below), whose sum is σ = 153589632. Its totient is φ = 43424880.

The previous prime is 87307607. The next prime is 87307637. The reversal of 87307628 is 82670378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56375 + ... + 57902.

It is an arithmetic number, because the mean of its divisors is an integer number (12799136).

Almost surely, 2^87307628 is an apocalyptic number.

It is an amenable number.

87307628 is a deficient number, since it is larger than the sum of its proper divisors (66282004).

87307628 is a wasteful number, since it uses less digits than its factorization.

87307628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114472 (or 114470 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 87307628 is about 9343.8550930545. The cubic root of 87307628 is about 443.6264138283.

The spelling of 87307628 in words is "eighty-seven million, three hundred seven thousand, six hundred twenty-eight".