1283885967 has 64 divisors (see below), whose sum is σ = 2229405696. Its totient is φ = 638668800.

The previous prime is 1283885947. The next prime is 1283885969. The reversal of 1283885967 is 7695883821.

It is a happy number.

It is not a de Polignac number, because 1283885967 - 2⁸ = 1283885711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283885969) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 456967 + ... + 459767.

It is an arithmetic number, because the mean of its divisors is an integer number (34834464).

Almost surely, 2^1283885967 is an apocalyptic number.

1283885967 is a deficient number, since it is larger than the sum of its proper divisors (945519729).

1283885967 is a wasteful number, since it uses less digits than its factorization.

1283885967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920.

The product of its digits is 5806080, while the sum is 57.

The square root of 1283885967 is about 35831.3545236571. The cubic root of 1283885967 is about 1086.8647008927.

The spelling of 1283885967 in words is "one billion, two hundred eighty-three million, eight hundred eighty-five thousand, nine hundred sixty-seven".