87690752 has 20 divisors (see below), whose sum is σ = 175211256. Its totient is φ = 43845120.

The previous prime is 87690749. The next prime is 87690761. The reversal of 87690752 is 25709678.

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, 85124 + ... + 86147.

Almost surely, 2^87690752 is an apocalyptic number.

It is an amenable number.

87690752 is a deficient number, since it is larger than the sum of its proper divisors (87520504).

87690752 is an equidigital number, since it uses as much as digits as its factorization.

87690752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171289 (or 171273 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 87690752 is about 9364.3340393217. The cubic root of 87690752 is about 444.2743752266.

The spelling of 87690752 in words is "eighty-seven million, six hundred ninety thousand, seven hundred fifty-two".