1264793780007 has 12 divisors (see below), whose sum is σ = 1829396515960. Its totient is φ = 842054853168.

The previous prime is 1264793779967. The next prime is 1264793780017. The reversal of 1264793780007 is 7000873974621.

1264793780007 is a `hidden beast` number, since 1 + 264 + 7 + 9 + 378 + 0 + 0 + 0 + 7 = 666.

It is not a de Polignac number, because 1264793780007 - 2²⁷ = 1264659562279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264793780017) 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, 95076328 + ... + 95089629.

Almost surely, 2^{1264793780007} is an apocalyptic number.

1264793780007 is a deficient number, since it is larger than the sum of its proper divisors (564602735953).

1264793780007 is a wasteful number, since it uses less digits than its factorization.

1264793780007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190166702 (or 190166699 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 1264793780007 in words is "one trillion, two hundred sixty-four billion, seven hundred ninety-three million, seven hundred eighty thousand, seven".