87284663 has 2 divisors, whose sum is σ = 87284664. Its totient is φ = 87284662.

The previous prime is 87284641. The next prime is 87284669. The reversal of 87284663 is 36648278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87284663 - 2⁶ = 87284599 is a prime.

It is a super-2 number, since 2×87284663² = 15237224790047138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87284669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43642331 + 43642332.

It is an arithmetic number, because the mean of its divisors is an integer number (43642332).

Almost surely, 2^87284663 is an apocalyptic number.

87284663 is a deficient number, since it is larger than the sum of its proper divisors (1).

87284663 is an equidigital number, since it uses as much as digits as its factorization.

87284663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 44.

The square root of 87284663 is about 9342.6261297346. The cubic root of 87284663 is about 443.5875139284.

The spelling of 87284663 in words is "eighty-seven million, two hundred eighty-four thousand, six hundred sixty-three".