1286882320839 has 16 divisors (see below), whose sum is σ = 1781770923744. Its totient is φ = 825530918400.

The previous prime is 1286882320837. The next prime is 1286882320897. The reversal of 1286882320839 is 9380232886821.

It is a happy number.

It is not a de Polignac number, because 1286882320839 - 2¹ = 1286882320837 is a prime.

It is a super-2 number, since 2×1286882320839² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286882320837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71651692 + ... + 71669649.

It is an arithmetic number, because the mean of its divisors is an integer number (111360682734).

Almost surely, 2^{1286882320839} is an apocalyptic number.

1286882320839 is a deficient number, since it is larger than the sum of its proper divisors (494888602905).

1286882320839 is a wasteful number, since it uses less digits than its factorization.

1286882320839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143321458.

The product of its (nonzero) digits is 15925248, while the sum is 60.

The spelling of 1286882320839 in words is "one trillion, two hundred eighty-six billion, eight hundred eighty-two million, three hundred twenty thousand, eight hundred thirty-nine".