89832563 has 2 divisors, whose sum is σ = 89832564. Its totient is φ = 89832562.

The previous prime is 89832541. The next prime is 89832581. The reversal of 89832563 is 36523898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89832563 - 2¹² = 89828467 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (89832593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44916281 + 44916282.

It is an arithmetic number, because the mean of its divisors is an integer number (44916282).

Almost surely, 2^89832563 is an apocalyptic number.

89832563 is a deficient number, since it is larger than the sum of its proper divisors (1).

89832563 is an equidigital number, since it uses as much as digits as its factorization.

89832563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 89832563 is about 9478.0041675450. The cubic root of 89832563 is about 447.8623936299.

The spelling of 89832563 in words is "eighty-nine million, eight hundred thirty-two thousand, five hundred sixty-three".