98765419 has 2 divisors, whose sum is σ = 98765420. Its totient is φ = 98765418.

The previous prime is 98765417. The next prime is 98765431. The reversal of 98765419 is 91456789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98765419 - 2¹ = 98765417 is a prime.

It is a super-2 number, since 2×98765419² = 19509215980491122, which contains 22 as substring.

Together with 98765417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (98765413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49382709 + 49382710.

It is an arithmetic number, because the mean of its divisors is an integer number (49382710).

Almost surely, 2^98765419 is an apocalyptic number.

98765419 is a deficient number, since it is larger than the sum of its proper divisors (1).

98765419 is an equidigital number, since it uses as much as digits as its factorization.

98765419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 49.

The square root of 98765419 is about 9938.0792409801. The cubic root of 98765419 is about 462.2408291322.

The spelling of 98765419 in words is "ninety-eight million, seven hundred sixty-five thousand, four hundred nineteen".