82260881 has 2 divisors, whose sum is σ = 82260882. Its totient is φ = 82260880.

The previous prime is 82260869. The next prime is 82260911. The reversal of 82260881 is 18806228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64963600 + 17297281 = 8060^2 + 4159^2 .

It is a cyclic number.

It is not a de Polignac number, because 82260881 - 2¹⁰ = 82259857 is a prime.

It is a super-2 number, since 2×82260881² = 13533705085792322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82260181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41130440 + 41130441.

It is an arithmetic number, because the mean of its divisors is an integer number (41130441).

Almost surely, 2^82260881 is an apocalyptic number.

It is an amenable number.

82260881 is a deficient number, since it is larger than the sum of its proper divisors (1).

82260881 is an equidigital number, since it uses as much as digits as its factorization.

82260881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 82260881 is about 9069.7784427184. The cubic root of 82260881 is about 434.9083895690.

The spelling of 82260881 in words is "eighty-two million, two hundred sixty thousand, eight hundred eighty-one".