98550799 has 2 divisors, whose sum is σ = 98550800. Its totient is φ = 98550798.

The previous prime is 98550779. The next prime is 98550811. The reversal of 98550799 is 99705589.

It is a strong prime.

It is an emirp because it is prime and its reverse (99705589) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98550799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98550719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49275399 + 49275400.

It is an arithmetic number, because the mean of its divisors is an integer number (49275400).

Almost surely, 2^98550799 is an apocalyptic number.

98550799 is a deficient number, since it is larger than the sum of its proper divisors (1).

98550799 is an equidigital number, since it uses as much as digits as its factorization.

98550799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 52.

The square root of 98550799 is about 9927.2755074089. The cubic root of 98550799 is about 461.9057655919.

The spelling of 98550799 in words is "ninety-eight million, five hundred fifty thousand, seven hundred ninety-nine".