89201668793 has 2 divisors, whose sum is σ = 89201668794. Its totient is φ = 89201668792.

The previous prime is 89201668771. The next prime is 89201668807. The reversal of 89201668793 is 39786610298.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86240894224 + 2960774569 = 293668^2 + 54413^2 .

It is a cyclic number.

It is not a de Polignac number, because 89201668793 - 2¹⁰ = 89201667769 is a prime.

It is not a weakly prime, because it can be changed into another prime (89201668733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44600834396 + 44600834397.

It is an arithmetic number, because the mean of its divisors is an integer number (44600834397).

Almost surely, 2^89201668793 is an apocalyptic number.

It is an amenable number.

89201668793 is a deficient number, since it is larger than the sum of its proper divisors (1).

89201668793 is an equidigital number, since it uses as much as digits as its factorization.

89201668793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The spelling of 89201668793 in words is "eighty-nine billion, two hundred one million, six hundred sixty-eight thousand, seven hundred ninety-three".