89612528563 has 2 divisors, whose sum is σ = 89612528564. Its totient is φ = 89612528562.

The previous prime is 89612528531. The next prime is 89612528567. The reversal of 89612528563 is 36582521698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89612528563 - 2⁵ = 89612528531 is a prime.

It is not a weakly prime, because it can be changed into another prime (89612528567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44806264281 + 44806264282.

It is an arithmetic number, because the mean of its divisors is an integer number (44806264282).

Almost surely, 2^89612528563 is an apocalyptic number.

89612528563 is a deficient number, since it is larger than the sum of its proper divisors (1).

89612528563 is an equidigital number, since it uses as much as digits as its factorization.

89612528563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6220800, while the sum is 55.

The spelling of 89612528563 in words is "eighty-nine billion, six hundred twelve million, five hundred twenty-eight thousand, five hundred sixty-three".