82789633 has 2 divisors, whose sum is σ = 82789634. Its totient is φ = 82789632.

The previous prime is 82789613. The next prime is 82789661. The reversal of 82789633 is 33698728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82029249 + 760384 = 9057^2 + 872^2 .

It is a cyclic number.

It is not a de Polignac number, because 82789633 - 2⁵ = 82789601 is a prime.

It is not a weakly prime, because it can be changed into another prime (82789613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41394816 + 41394817.

It is an arithmetic number, because the mean of its divisors is an integer number (41394817).

Almost surely, 2^82789633 is an apocalyptic number.

It is an amenable number.

82789633 is a deficient number, since it is larger than the sum of its proper divisors (1).

82789633 is an equidigital number, since it uses as much as digits as its factorization.

82789633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 46.

The square root of 82789633 is about 9098.8808652493. The cubic root of 82789633 is about 435.8382269541.

The spelling of 82789633 in words is "eighty-two million, seven hundred eighty-nine thousand, six hundred thirty-three".