89662563 has 12 divisors (see below), whose sum is σ = 131337648. Its totient is φ = 58932720.

The previous prime is 89662561. The next prime is 89662567. The reversal of 89662563 is 36526698.

It is a happy number.

89662563 is a `hidden beast` number, since 89 + 6 + 6 + 2 + 563 = 666.

It is not a de Polignac number, because 89662563 - 2¹ = 89662561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89662561) 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 11 ways as a sum of consecutive naturals, for example, 69520 + ... + 70797.

It is an arithmetic number, because the mean of its divisors is an integer number (10944804).

Almost surely, 2^89662563 is an apocalyptic number.

89662563 is a deficient number, since it is larger than the sum of its proper divisors (41675085).

89662563 is a wasteful number, since it uses less digits than its factorization.

89662563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140394 (or 140391 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 89662563 is about 9469.0317878862. The cubic root of 89662563 is about 447.5797022088.

The spelling of 89662563 in words is "eighty-nine million, six hundred sixty-two thousand, five hundred sixty-three".