89173062239 has 2 divisors, whose sum is σ = 89173062240. Its totient is φ = 89173062238.

The previous prime is 89173062193. The next prime is 89173062257. The reversal of 89173062239 is 93226037198.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89173062239 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89173062289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44586531119 + 44586531120.

It is an arithmetic number, because the mean of its divisors is an integer number (44586531120).

Almost surely, 2^89173062239 is an apocalyptic number.

89173062239 is a deficient number, since it is larger than the sum of its proper divisors (1).

89173062239 is an equidigital number, since it uses as much as digits as its factorization.

89173062239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 89173062239 in words is "eighty-nine billion, one hundred seventy-three million, sixty-two thousand, two hundred thirty-nine".