87604100 has 18 divisors (see below), whose sum is σ = 190101114. Its totient is φ = 35041600.

The previous prime is 87604091. The next prime is 87604147. The reversal of 87604100 is 140678.

It can be written as a sum of positive squares in 3 ways, for example, as 293764 + 87310336 = 542^2 + 9344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87604100.

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 5 ways as a sum of consecutive naturals, for example, 437921 + ... + 438120.

It is an arithmetic number, because the mean of its divisors is an integer number (10561173).

Almost surely, 2^87604100 is an apocalyptic number.

It is an amenable number.

87604100 is an abundant number, since it is smaller than the sum of its proper divisors (102497014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87604100 is a wasteful number, since it uses less digits than its factorization.

87604100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876055 (or 876048 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 87604100 is about 9359.7061919699. The cubic root of 87604100 is about 444.1279897768.

Adding to 87604100 its reverse (140678), we get a palindrome (87744778).

The spelling of 87604100 in words is "eighty-seven million, six hundred four thousand, one hundred".