206679976934 has 16 divisors (see below), whose sum is σ = 328274782128. Its totient is φ = 97255729152.

The previous prime is 206679976903. The next prime is 206679976939. The reversal of 206679976934 is 439679976602.

It is a happy number.

206679976934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206679976934² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206679976939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483782 + ... + 804614.

It is an arithmetic number, because the mean of its divisors is an integer number (20517173883).

Almost surely, 2^206679976934 is an apocalyptic number.

206679976934 is a deficient number, since it is larger than the sum of its proper divisors (121594805194).

206679976934 is a wasteful number, since it uses less digits than its factorization.

206679976934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339799.

The product of its (nonzero) digits is 185177664, while the sum is 68.

The spelling of 206679976934 in words is "two hundred six billion, six hundred seventy-nine million, nine hundred seventy-six thousand, nine hundred thirty-four".