87044663 has 2 divisors, whose sum is σ = 87044664. Its totient is φ = 87044662.

The previous prime is 87044563. The next prime is 87044701. The reversal of 87044663 is 36644078.

It is a happy number.

It is an a-pointer prime, because the next prime (87044701) can be obtained adding 87044663 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87044663 - 2¹⁰ = 87043639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87044563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43522331 + 43522332.

It is an arithmetic number, because the mean of its divisors is an integer number (43522332).

Almost surely, 2^87044663 is an apocalyptic number.

87044663 is a deficient number, since it is larger than the sum of its proper divisors (1).

87044663 is an equidigital number, since it uses as much as digits as its factorization.

87044663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 87044663 is about 9329.7729340001. The cubic root of 87044663 is about 443.1805744390.

The spelling of 87044663 in words is "eighty-seven million, forty-four thousand, six hundred sixty-three".