82868507 has 2 divisors, whose sum is σ = 82868508. Its totient is φ = 82868506.

The previous prime is 82868501. The next prime is 82868537. The reversal of 82868507 is 70586828.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82868507 - 2¹⁴ = 82852123 is a prime.

It is not a weakly prime, because it can be changed into another prime (82868501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41434253 + 41434254.

It is an arithmetic number, because the mean of its divisors is an integer number (41434254).

Almost surely, 2^82868507 is an apocalyptic number.

82868507 is a deficient number, since it is larger than the sum of its proper divisors (1).

82868507 is an equidigital number, since it uses as much as digits as its factorization.

82868507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 82868507 is about 9103.2141027222. The cubic root of 82868507 is about 435.9765912719.

The spelling of 82868507 in words is "eighty-two million, eight hundred sixty-eight thousand, five hundred seven".