82900019 has 2 divisors, whose sum is σ = 82900020. Its totient is φ = 82900018.

The previous prime is 82899997. The next prime is 82900033. The reversal of 82900019 is 91000928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82900019 - 2⁸ = 82899763 is a prime.

It is a super-2 number, since 2×82900019² = 13744826300400722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 82899964 and 82900000.

It is not a weakly prime, because it can be changed into another prime (82900079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41450009 + 41450010.

It is an arithmetic number, because the mean of its divisors is an integer number (41450010).

Almost surely, 2^82900019 is an apocalyptic number.

82900019 is a deficient number, since it is larger than the sum of its proper divisors (1).

82900019 is an equidigital number, since it uses as much as digits as its factorization.

82900019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 82900019 is about 9104.9447554612. The cubic root of 82900019 is about 436.0318464940.

The spelling of 82900019 in words is "eighty-two million, nine hundred thousand, nineteen".