87604361 has 12 divisors (see below), whose sum is σ = 95277852. Its totient is φ = 80510976.

The previous prime is 87604351. The next prime is 87604369. The reversal of 87604361 is 16340678.

It can be written as a sum of positive squares in 6 ways, for example, as 1485961 + 86118400 = 1219^2 + 9280^2 .

It is a de Polignac number, because none of the positive numbers 2^k-87604361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87604369) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 42425 + ... + 44441.

It is an arithmetic number, because the mean of its divisors is an integer number (7939821).

Almost surely, 2^87604361 is an apocalyptic number.

It is an amenable number.

87604361 is a deficient number, since it is larger than the sum of its proper divisors (7673491).

87604361 is a wasteful number, since it uses less digits than its factorization.

87604361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 87604361 is about 9359.7201347049. The cubic root of 87604361 is about 444.1284308417.

The spelling of 87604361 in words is "eighty-seven million, six hundred four thousand, three hundred sixty-one".