82864869511 has 2 divisors, whose sum is σ = 82864869512. Its totient is φ = 82864869510.

The previous prime is 82864869491. The next prime is 82864869523. The reversal of 82864869511 is 11596846828.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82864869511 - 2⁷ = 82864869383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82864869551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41432434755 + 41432434756.

It is an arithmetic number, because the mean of its divisors is an integer number (41432434756).

Almost surely, 2^82864869511 is an apocalyptic number.

82864869511 is a deficient number, since it is larger than the sum of its proper divisors (1).

82864869511 is an equidigital number, since it uses as much as digits as its factorization.

82864869511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 58.

The spelling of 82864869511 in words is "eighty-two billion, eight hundred sixty-four million, eight hundred sixty-nine thousand, five hundred eleven".