82994819 has 2 divisors, whose sum is σ = 82994820. Its totient is φ = 82994818.

The previous prime is 82994803. The next prime is 82994827. The reversal of 82994819 is 91849928.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82994819 - 2⁴ = 82994803 is a prime.

It is a super-2 number, since 2×82994819² = 13776279961685522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82994519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41497409 + 41497410.

It is an arithmetic number, because the mean of its divisors is an integer number (41497410).

Almost surely, 2^82994819 is an apocalyptic number.

82994819 is a deficient number, since it is larger than the sum of its proper divisors (1).

82994819 is an equidigital number, since it uses as much as digits as its factorization.

82994819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 50.

The square root of 82994819 is about 9110.1492303913. The cubic root of 82994819 is about 436.1979906963.

The spelling of 82994819 in words is "eighty-two million, nine hundred ninety-four thousand, eight hundred nineteen".