206784040896 has 84 divisors (see below), whose sum is σ = 594257294592. Its totient is φ = 68747971584.

The previous prime is 206784040889. The next prime is 206784040907. The reversal of 206784040896 is 698040487602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248061 + ... + 689276.

Almost surely, 2^206784040896 is an apocalyptic number.

It is an amenable number.

206784040896 is an abundant number, since it is smaller than the sum of its proper divisors (387473253696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206784040896 is a wasteful number, since it uses less digits than its factorization.

206784040896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937738 (or 937725 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 206784040896 in words is "two hundred six billion, seven hundred eighty-four million, forty thousand, eight hundred ninety-six".