882491861 has 2 divisors, whose sum is σ = 882491862. Its totient is φ = 882491860.

The previous prime is 882491833. The next prime is 882491887. The reversal of 882491861 is 168194288.

It is a happy number.

882491861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 789272836 + 93219025 = 28094^2 + 9655^2 .

It is a cyclic number.

It is not a de Polignac number, because 882491861 - 2²² = 878297557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (882491821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441245930 + 441245931.

It is an arithmetic number, because the mean of its divisors is an integer number (441245931).

Almost surely, 2^882491861 is an apocalyptic number.

It is an amenable number.

882491861 is a deficient number, since it is larger than the sum of its proper divisors (1).

882491861 is an equidigital number, since it uses as much as digits as its factorization.

882491861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 47.

The square root of 882491861 is about 29706.7645663408. The cubic root of 882491861 is about 959.1876305328.

The spelling of 882491861 in words is "eight hundred eighty-two million, four hundred ninety-one thousand, eight hundred sixty-one".