87604101 has 24 divisors (see below), whose sum is σ = 136674720. Its totient is φ = 53751456.

The previous prime is 87604091. The next prime is 87604147. The reversal of 87604101 is 10140678.

It is a happy number.

It is not a de Polignac number, because 87604101 - 2¹⁵ = 87571333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87604151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48130 + ... + 49916.

It is an arithmetic number, because the mean of its divisors is an integer number (5694780).

Almost surely, 2^87604101 is an apocalyptic number.

It is an amenable number.

87604101 is a deficient number, since it is larger than the sum of its proper divisors (49070619).

87604101 is a wasteful number, since it uses less digits than its factorization.

87604101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 87604101 is about 9359.7062453904. The cubic root of 87604101 is about 444.1279914667.

Adding to 87604101 its reverse (10140678), we get a palindrome (97744779).

The spelling of 87604101 in words is "eighty-seven million, six hundred four thousand, one hundred one".