97834619 has 2 divisors, whose sum is σ = 97834620. Its totient is φ = 97834618.

The previous prime is 97834579. The next prime is 97834699. The reversal of 97834619 is 91643879.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97834619 is a prime.

It is a super-2 number, since 2×97834619² = 19143225349750322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (97834699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48917309 + 48917310.

It is an arithmetic number, because the mean of its divisors is an integer number (48917310).

Almost surely, 2^97834619 is an apocalyptic number.

97834619 is a deficient number, since it is larger than the sum of its proper divisors (1).

97834619 is an equidigital number, since it uses as much as digits as its factorization.

97834619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 97834619 is about 9891.1384076859. The cubic root of 97834619 is about 460.7841367308.

The spelling of 97834619 in words is "ninety-seven million, eight hundred thirty-four thousand, six hundred nineteen".