98785019 has 2 divisors, whose sum is σ = 98785020. Its totient is φ = 98785018.

The previous prime is 98784989. The next prime is 98785033. The reversal of 98785019 is 91058789.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91058789) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98785019 is a prime.

It is a super-2 number, since 2×98785019² = 19516959957660722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (98785039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49392509 + 49392510.

It is an arithmetic number, because the mean of its divisors is an integer number (49392510).

Almost surely, 2^98785019 is an apocalyptic number.

98785019 is a deficient number, since it is larger than the sum of its proper divisors (1).

98785019 is an equidigital number, since it uses as much as digits as its factorization.

98785019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 47.

The square root of 98785019 is about 9939.0652981052. The cubic root of 98785019 is about 462.2714043446.

The spelling of 98785019 in words is "ninety-eight million, seven hundred eighty-five thousand, nineteen".