786917004009 has 16 divisors (see below), whose sum is σ = 1094973960192. Its totient is φ = 501741229968.

The previous prime is 786917003989. The next prime is 786917004031. The reversal of 786917004009 is 900400719687.

It is not a de Polignac number, because 786917004009 - 2⁷ = 786917003881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (786917005009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116299 + ... + 1259904.

It is an arithmetic number, because the mean of its divisors is an integer number (68435872512).

Almost surely, 2^786917004009 is an apocalyptic number.

It is an amenable number.

786917004009 is a deficient number, since it is larger than the sum of its proper divisors (308056956183).

786917004009 is a wasteful number, since it uses less digits than its factorization.

786917004009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384516.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 786917004009 in words is "seven hundred eighty-six billion, nine hundred seventeen million, four thousand, nine".