860424881 has 2 divisors, whose sum is σ = 860424882. Its totient is φ = 860424880.

The previous prime is 860424869. The next prime is 860424913. The reversal of 860424881 is 188424068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 858490000 + 1934881 = 29300^2 + 1391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-860424881 is a prime.

It is a super-2 number, since 2×860424881² = 1480661951687728322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (860424781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430212440 + 430212441.

It is an arithmetic number, because the mean of its divisors is an integer number (430212441).

Almost surely, 2^860424881 is an apocalyptic number.

It is an amenable number.

860424881 is a deficient number, since it is larger than the sum of its proper divisors (1).

860424881 is an equidigital number, since it uses as much as digits as its factorization.

860424881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 98304, while the sum is 41.

The square root of 860424881 is about 29332.9998636348. Note that the first 3 decimals coincide. The cubic root of 860424881 is about 951.1251234544.

The spelling of 860424881 in words is "eight hundred sixty million, four hundred twenty-four thousand, eight hundred eighty-one".