285982960769 has 24 divisors (see below), whose sum is σ = 322650199296. Its totient is φ = 251379223200.

The previous prime is 285982960759. The next prime is 285982960771. The reversal of 285982960769 is 967069289582.

It is a de Polignac number, because none of the positive numbers 2^k-285982960769 is a prime.

It is a super-2 number, since 2×285982960769² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (285982960759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12811472 + ... + 12833774.

It is an arithmetic number, because the mean of its divisors is an integer number (13443758304).

Almost surely, 2^285982960769 is an apocalyptic number.

It is an amenable number.

285982960769 is a deficient number, since it is larger than the sum of its proper divisors (36667238527).

285982960769 is a wasteful number, since it uses less digits than its factorization.

285982960769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23589 (or 23558 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 71.

The spelling of 285982960769 in words is "two hundred eighty-five billion, nine hundred eighty-two million, nine hundred sixty thousand, seven hundred sixty-nine".