87066903 has 64 divisors (see below), whose sum is σ = 153861120. Its totient is φ = 42470400.

The previous prime is 87066901. The next prime is 87066913. The reversal of 87066903 is 30966078.

It is not a de Polignac number, because 87066903 - 2¹ = 87066901 is a prime.

It is a super-2 number, since 2×87066903² = 15161291196022818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87066901) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 274501 + ... + 274817.

It is an arithmetic number, because the mean of its divisors is an integer number (2404080).

Almost surely, 2^87066903 is an apocalyptic number.

87066903 is a deficient number, since it is larger than the sum of its proper divisors (66794217).

87066903 is a wasteful number, since it uses less digits than its factorization.

87066903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 87066903 is about 9330.9647411187. The cubic root of 87066903 is about 443.2183155875.

The spelling of 87066903 in words is "eighty-seven million, sixty-six thousand, nine hundred three".