205473712086 has 12 divisors (see below), whose sum is σ = 445193042892. Its totient is φ = 68491237356.

The previous prime is 205473712079. The next prime is 205473712121. The reversal of 205473712086 is 680217374502.

205473712086 is a `hidden beast` number, since 2 + 0 + 547 + 3 + 7 + 1 + 20 + 86 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5707603096 + ... + 5707603131.

It is an arithmetic number, because the mean of its divisors is an integer number (37099420241).

Almost surely, 2^205473712086 is an apocalyptic number.

205473712086 is an abundant number, since it is smaller than the sum of its proper divisors (239719330806).

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

205473712086 is a wasteful number, since it uses less digits than its factorization.

205473712086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11415206235 (or 11415206232 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 205473712086 in words is "two hundred five billion, four hundred seventy-three million, seven hundred twelve thousand, eighty-six".