206853885502 has 8 divisors (see below), whose sum is σ = 338488176312. Its totient is φ = 94024493400.

The previous prime is 206853885373. The next prime is 206853885517. The reversal of 206853885502 is 205588358602.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 206853885502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4701224649 + ... + 4701224692.

It is an arithmetic number, because the mean of its divisors is an integer number (42311022039).

Almost surely, 2^206853885502 is an apocalyptic number.

206853885502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

206853885502 is a deficient number, since it is larger than the sum of its proper divisors (131634290810).

206853885502 is a wasteful number, since it uses less digits than its factorization.

206853885502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9402449354.

The product of its (nonzero) digits is 4608000, while the sum is 52.

The spelling of 206853885502 in words is "two hundred six billion, eight hundred fifty-three million, eight hundred eighty-five thousand, five hundred two".