268615780463785 has 16 divisors (see below), whose sum is σ = 322365711635712. Its totient is φ = 214874775259200.

The previous prime is 268615780463777. The next prime is 268615780463803. The reversal of 268615780463785 is 587364087516862.

It is a happy number.

It is not a de Polignac number, because 268615780463785 - 2³ = 268615780463777 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5798232292 + ... + 5798278618.

It is an arithmetic number, because the mean of its divisors is an integer number (20147856977232).

Almost surely, 2^{268615780463785} is an apocalyptic number.

It is an amenable number.

268615780463785 is a deficient number, since it is larger than the sum of its proper divisors (53749931171927).

268615780463785 is a wasteful number, since it uses less digits than its factorization.

268615780463785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117624.

The product of its (nonzero) digits is 3251404800, while the sum is 76.

The spelling of 268615780463785 in words is "two hundred sixty-eight trillion, six hundred fifteen billion, seven hundred eighty million, four hundred sixty-three thousand, seven hundred eighty-five".