89473527499 has 2 divisors, whose sum is σ = 89473527500. Its totient is φ = 89473527498.

The previous prime is 89473527497. The next prime is 89473527527. The reversal of 89473527499 is 99472537498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89473527499 - 2¹ = 89473527497 is a prime.

It is a super-2 number, since 2×89473527499² (a number of 23 digits) contains 22 as substring.

Together with 89473527497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (89473527491) 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, 44736763749 + 44736763750.

It is an arithmetic number, because the mean of its divisors is an integer number (44736763750).

Almost surely, 2^89473527499 is an apocalyptic number.

89473527499 is a deficient number, since it is larger than the sum of its proper divisors (1).

89473527499 is an equidigital number, since it uses as much as digits as its factorization.

89473527499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 137168640, while the sum is 67.

Subtracting 89473527499 from its reverse (99472537498), we obtain a palindrome (9999009999).

The spelling of 89473527499 in words is "eighty-nine billion, four hundred seventy-three million, five hundred twenty-seven thousand, four hundred ninety-nine".