1286631094879 has 8 divisors (see below), whose sum is σ = 1389317475392. Its totient is φ = 1184475394080.

The previous prime is 1286631094871. The next prime is 1286631094883. The reversal of 1286631094879 is 9784901366821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1286631094879 - 2³ = 1286631094871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1286631094879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1286631094871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132664887 + ... + 132674584.

It is an arithmetic number, because the mean of its divisors is an integer number (173664684424).

Almost surely, 2^{1286631094879} is an apocalyptic number.

1286631094879 is a deficient number, since it is larger than the sum of its proper divisors (102686380513).

1286631094879 is a wasteful number, since it uses less digits than its factorization.

1286631094879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265339857.

The product of its (nonzero) digits is 31352832, while the sum is 64.

The spelling of 1286631094879 in words is "one trillion, two hundred eighty-six billion, six hundred thirty-one million, ninety-four thousand, eight hundred seventy-nine".