206876564802 has 12 divisors (see below), whose sum is σ = 448232557110. Its totient is φ = 68958854928.

The previous prime is 206876564767. The next prime is 206876564809. The reversal of 206876564802 is 208465678602.

206876564802 is a `hidden beast` number, since 2 + 0 + 6 + 8 + 76 + 564 + 8 + 0 + 2 = 666.

206876564802 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 128873102121 + 78003462681 = 358989^2 + 279291^2 .

It is a super-2 number, since 2×206876564802² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (206876564809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5746571227 + ... + 5746571262.

Almost surely, 2^206876564802 is an apocalyptic number.

206876564802 is an abundant number, since it is smaller than the sum of its proper divisors (241355992308).

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

206876564802 is a wasteful number, since it uses less digits than its factorization.

206876564802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11493142497 (or 11493142494 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 206876564802 in words is "two hundred six billion, eight hundred seventy-six million, five hundred sixty-four thousand, eight hundred two".