885799457 has 2 divisors, whose sum is σ = 885799458. Its totient is φ = 885799456.

The previous prime is 885799427. The next prime is 885799477. The reversal of 885799457 is 754997588.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 667912336 + 217887121 = 25844^2 + 14761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-885799457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 885799457.

It is not a weakly prime, because it can be changed into another prime (885799427) 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, 442899728 + 442899729.

It is an arithmetic number, because the mean of its divisors is an integer number (442899729).

Almost surely, 2^885799457 is an apocalyptic number.

It is an amenable number.

885799457 is a deficient number, since it is larger than the sum of its proper divisors (1).

885799457 is an equidigital number, since it uses as much as digits as its factorization.

885799457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25401600, while the sum is 62.

The square root of 885799457 is about 29762.3832547059. The cubic root of 885799457 is about 960.3844875545.

The spelling of 885799457 in words is "eight hundred eighty-five million, seven hundred ninety-nine thousand, four hundred fifty-seven".