87601684 has 6 divisors (see below), whose sum is σ = 153302954. Its totient is φ = 43800840.

The previous prime is 87601667. The next prime is 87601693. The reversal of 87601684 is 48610678.

It can be written as a sum of positive squares in only one way, i.e., 85562500 + 2039184 = 9250^2 + 1428^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10950207 + ... + 10950214.

Almost surely, 2^87601684 is an apocalyptic number.

It is an amenable number.

87601684 is a deficient number, since it is larger than the sum of its proper divisors (65701270).

87601684 is a wasteful number, since it uses less digits than its factorization.

87601684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21900425 (or 21900423 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 87601684 is about 9359.5771271997. The cubic root of 87601684 is about 444.1239069272.

The spelling of 87601684 in words is "eighty-seven million, six hundred one thousand, six hundred eighty-four".