97882919 has 2 divisors, whose sum is σ = 97882920. Its totient is φ = 97882918.

The previous prime is 97882909. The next prime is 97882931. The reversal of 97882919 is 91928879.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97882919 - 2²⁰ = 96834343 is a prime.

It is a super-2 number, since 2×97882919² = 19162131663921122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97882909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48941459 + 48941460.

It is an arithmetic number, because the mean of its divisors is an integer number (48941460).

Almost surely, 2^97882919 is an apocalyptic number.

97882919 is a deficient number, since it is larger than the sum of its proper divisors (1).

97882919 is an equidigital number, since it uses as much as digits as its factorization.

97882919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 53.

The square root of 97882919 is about 9893.5796858367. The cubic root of 97882919 is about 460.8599524714.

The spelling of 97882919 in words is "ninety-seven million, eight hundred eighty-two thousand, nine hundred nineteen".