89864294833 has 2 divisors, whose sum is σ = 89864294834. Its totient is φ = 89864294832.

The previous prime is 89864294657. The next prime is 89864294921. The reversal of 89864294833 is 33849246898.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87679947664 + 2184347169 = 296108^2 + 46737^2 .

It is a cyclic number.

It is not a de Polignac number, because 89864294833 - 2²¹ = 89862197681 is a prime.

It is not a weakly prime, because it can be changed into another prime (89864394833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44932147416 + 44932147417.

It is an arithmetic number, because the mean of its divisors is an integer number (44932147417).

Almost surely, 2^89864294833 is an apocalyptic number.

It is an amenable number.

89864294833 is a deficient number, since it is larger than the sum of its proper divisors (1).

89864294833 is an equidigital number, since it uses as much as digits as its factorization.

89864294833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71663616, while the sum is 64.

The spelling of 89864294833 in words is "eighty-nine billion, eight hundred sixty-four million, two hundred ninety-four thousand, eight hundred thirty-three".