87066911 has 16 divisors (see below), whose sum is σ = 97970400. Its totient is φ = 76889088.

The previous prime is 87066901. The next prime is 87066913. The reversal of 87066911 is 11966078.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87066911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87066913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33971 + ... + 36443.

It is an arithmetic number, because the mean of its divisors is an integer number (6123150).

Almost surely, 2^87066911 is an apocalyptic number.

87066911 is a deficient number, since it is larger than the sum of its proper divisors (10903489).

87066911 is a wasteful number, since it uses less digits than its factorization.

87066911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 87066911 is about 9330.9651697989. The cubic root of 87066911 is about 443.2183291623.

The spelling of 87066911 in words is "eighty-seven million, sixty-six thousand, nine hundred eleven".