82791263 has 2 divisors, whose sum is σ = 82791264. Its totient is φ = 82791262.

The previous prime is 82791257. The next prime is 82791301. The reversal of 82791263 is 36219728.

It is an a-pointer prime, because the next prime (82791301) can be obtained adding 82791263 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82791263 - 2¹⁸ = 82529119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82791253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41395631 + 41395632.

It is an arithmetic number, because the mean of its divisors is an integer number (41395632).

Almost surely, 2^82791263 is an apocalyptic number.

82791263 is a deficient number, since it is larger than the sum of its proper divisors (1).

82791263 is an equidigital number, since it uses as much as digits as its factorization.

82791263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 82791263 is about 9098.9704362637. The cubic root of 82791263 is about 435.8410872625.

The spelling of 82791263 in words is "eighty-two million, seven hundred ninety-one thousand, two hundred sixty-three".