205934177708 has 48 divisors (see below), whose sum is σ = 433604747520. Its totient is φ = 83600973504.

The previous prime is 205934177699. The next prime is 205934177711. The reversal of 205934177708 is 807771439502.

It is a self number, because there is not a number n which added to its sum of digits gives 205934177708.

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, 4661210 + ... + 4705182.

It is an arithmetic number, because the mean of its divisors is an integer number (9033432240).

Almost surely, 2^205934177708 is an apocalyptic number.

205934177708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

205934177708 is an abundant number, since it is smaller than the sum of its proper divisors (227670569812).

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

205934177708 is a wasteful number, since it uses less digits than its factorization.

205934177708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52806 (or 52804 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 53.

The spelling of 205934177708 in words is "two hundred five billion, nine hundred thirty-four million, one hundred seventy-seven thousand, seven hundred eight".