82292989 has 2 divisors, whose sum is σ = 82292990. Its totient is φ = 82292988.

The previous prime is 82292909. The next prime is 82292993. The reversal of 82292989 is 98929228.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54022500 + 28270489 = 7350^2 + 5317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82292989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82292909) 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, 41146494 + 41146495.

It is an arithmetic number, because the mean of its divisors is an integer number (41146495).

Almost surely, 2^82292989 is an apocalyptic number.

It is an amenable number.

82292989 is a deficient number, since it is larger than the sum of its proper divisors (1).

82292989 is an equidigital number, since it uses as much as digits as its factorization.

82292989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 49.

The square root of 82292989 is about 9071.5483242939. The cubic root of 82292989 is about 434.9649665713.

The spelling of 82292989 in words is "eighty-two million, two hundred ninety-two thousand, nine hundred eighty-nine".