87973328 has 10 divisors (see below), whose sum is σ = 170448354. Its totient is φ = 43986656.

The previous prime is 87973297. The next prime is 87973339. The reversal of 87973328 is 82337978.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 62853184 + 25120144 = 7928^2 + 5012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2749151 + ... + 2749182.

Almost surely, 2^87973328 is an apocalyptic number.

It is an amenable number.

87973328 is a deficient number, since it is larger than the sum of its proper divisors (82475026).

87973328 is a wasteful number, since it uses less digits than its factorization.

87973328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498341 (or 5498335 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 87973328 is about 9379.4097895337. The cubic root of 87973328 is about 444.7510756965.

The spelling of 87973328 in words is "eighty-seven million, nine hundred seventy-three thousand, three hundred twenty-eight".