98047819 has 2 divisors, whose sum is σ = 98047820. Its totient is φ = 98047818.

The previous prime is 98047777. The next prime is 98047843. The reversal of 98047819 is 91874089.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (91874089) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98047819 - 2²¹ = 95950667 is a prime.

It is a super-2 number, since 2×98047819² = 19226749621313522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98047849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49023909 + 49023910.

It is an arithmetic number, because the mean of its divisors is an integer number (49023910).

Almost surely, 2^98047819 is an apocalyptic number.

98047819 is a deficient number, since it is larger than the sum of its proper divisors (1).

98047819 is an equidigital number, since it uses as much as digits as its factorization.

98047819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 98047819 is about 9901.9098662834. The cubic root of 98047819 is about 461.1186056018.

The spelling of 98047819 in words is "ninety-eight million, forty-seven thousand, eight hundred nineteen".