1282846887 has 12 divisors (see below), whose sum is σ = 2117715600. Its totient is φ = 733055328.

The previous prime is 1282846849. The next prime is 1282846889. The reversal of 1282846887 is 7886482821.

1282846887 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1282846887 - 2⁷ = 1282846759 is a prime.

It is a super-3 number, since 3×1282846887³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1282846889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10181262 + ... + 10181387.

It is an arithmetic number, because the mean of its divisors is an integer number (176476300).

Almost surely, 2^1282846887 is an apocalyptic number.

1282846887 is a deficient number, since it is larger than the sum of its proper divisors (834868713).

1282846887 is a wasteful number, since it uses less digits than its factorization.

1282846887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20362662 (or 20362659 counting only the distinct ones).

The product of its digits is 2752512, while the sum is 54.

The square root of 1282846887 is about 35816.8519973490. The cubic root of 1282846887 is about 1086.5714131172.

The spelling of 1282846887 in words is "one billion, two hundred eighty-two million, eight hundred forty-six thousand, eight hundred eighty-seven".