89045678291 has 2 divisors, whose sum is σ = 89045678292. Its totient is φ = 89045678290.

The previous prime is 89045678263. The next prime is 89045678303. The reversal of 89045678291 is 19287654098.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89045678291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89045678291.

It is not a weakly prime, because it can be changed into another prime (89045678231) 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, 44522839145 + 44522839146.

It is an arithmetic number, because the mean of its divisors is an integer number (44522839146).

Almost surely, 2^89045678291 is an apocalyptic number.

89045678291 is a deficient number, since it is larger than the sum of its proper divisors (1).

89045678291 is an equidigital number, since it uses as much as digits as its factorization.

89045678291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 89045678291 in words is "eighty-nine billion, forty-five million, six hundred seventy-eight thousand, two hundred ninety-one".