98511773 has 2 divisors, whose sum is σ = 98511774. Its totient is φ = 98511772.

The previous prime is 98511739. The next prime is 98511779. The reversal of 98511773 is 37711589.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71284249 + 27227524 = 8443^2 + 5218^2 .

It is an emirp because it is prime and its reverse (37711589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98511773 - 2⁶ = 98511709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98511773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98511779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49255886 + 49255887.

It is an arithmetic number, because the mean of its divisors is an integer number (49255887).

Almost surely, 2^98511773 is an apocalyptic number.

It is an amenable number.

98511773 is a deficient number, since it is larger than the sum of its proper divisors (1).

98511773 is an equidigital number, since it uses as much as digits as its factorization.

98511773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 41.

The square root of 98511773 is about 9925.3097180894. The cubic root of 98511773 is about 461.8447861627.

The spelling of 98511773 in words is "ninety-eight million, five hundred eleven thousand, seven hundred seventy-three".