89622995647 has 2 divisors, whose sum is σ = 89622995648. Its totient is φ = 89622995646.

The previous prime is 89622995593. The next prime is 89622995663. The reversal of 89622995647 is 74659922698.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89622995647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89622995677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44811497823 + 44811497824.

It is an arithmetic number, because the mean of its divisors is an integer number (44811497824).

Almost surely, 2^89622995647 is an apocalyptic number.

89622995647 is a deficient number, since it is larger than the sum of its proper divisors (1).

89622995647 is an equidigital number, since it uses as much as digits as its factorization.

89622995647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 67.

The spelling of 89622995647 in words is "eighty-nine billion, six hundred twenty-two million, nine hundred ninety-five thousand, six hundred forty-seven".