87266604 has 12 divisors (see below), whose sum is σ = 203622104. Its totient is φ = 29088864.

The previous prime is 87266603. The next prime is 87266611. The reversal of 87266604 is 40666278.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (87266603) 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 3 ways as a sum of consecutive naturals, for example, 3636097 + ... + 3636120.

Almost surely, 2^87266604 is an apocalyptic number.

It is an amenable number.

87266604 is an abundant number, since it is smaller than the sum of its proper divisors (116355500).

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

87266604 is a wasteful number, since it uses less digits than its factorization.

87266604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7272224 (or 7272222 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 87266604 is about 9341.6595955965. The cubic root of 87266604 is about 443.5569193994.

It can be divided in two parts, 872 and 66604, that added together give a palindrome (67476).

The spelling of 87266604 in words is "eighty-seven million, two hundred sixty-six thousand, six hundred four".