89747196499 has 2 divisors, whose sum is σ = 89747196500. Its totient is φ = 89747196498.

The previous prime is 89747196449. The next prime is 89747196503. The reversal of 89747196499 is 99469174798.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89747196499 - 2¹⁷ = 89747065427 is a prime.

It is not a weakly prime, because it can be changed into another prime (89747196439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44873598249 + 44873598250.

It is an arithmetic number, because the mean of its divisors is an integer number (44873598250).

Almost surely, 2^89747196499 is an apocalyptic number.

89747196499 is a deficient number, since it is larger than the sum of its proper divisors (1).

89747196499 is an equidigital number, since it uses as much as digits as its factorization.

89747196499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 246903552, while the sum is 73.

The spelling of 89747196499 in words is "eighty-nine billion, seven hundred forty-seven million, one hundred ninety-six thousand, four hundred ninety-nine".