98819671 has 2 divisors, whose sum is σ = 98819672. Its totient is φ = 98819670.

The previous prime is 98819639. The next prime is 98819681. The reversal of 98819671 is 17691889.

It is a strong prime.

It is an emirp because it is prime and its reverse (17691889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 98819671 - 2⁵ = 98819639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98819621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49409835 + 49409836.

It is an arithmetic number, because the mean of its divisors is an integer number (49409836).

Almost surely, 2^98819671 is an apocalyptic number.

98819671 is a deficient number, since it is larger than the sum of its proper divisors (1).

98819671 is an equidigital number, since it uses as much as digits as its factorization.

98819671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 49.

The square root of 98819671 is about 9940.8083675323. The cubic root of 98819671 is about 462.3254501781.

The spelling of 98819671 in words is "ninety-eight million, eight hundred nineteen thousand, six hundred seventy-one".