427557076205 has 16 divisors (see below), whose sum is σ = 586403448960. Its totient is φ = 293162265792.

The previous prime is 427557076189. The next prime is 427557076237. The reversal of 427557076205 is 502670755724.

It is a cyclic number.

It is not a de Polignac number, because 427557076205 - 2⁴ = 427557076189 is a prime.

It is a Curzon number.

It is a congruent number.

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, 126407 + ... + 933323.

It is an arithmetic number, because the mean of its divisors is an integer number (36650215560).

Almost surely, 2^427557076205 is an apocalyptic number.

It is an amenable number.

427557076205 is a deficient number, since it is larger than the sum of its proper divisors (158846372755).

427557076205 is a wasteful number, since it uses less digits than its factorization.

427557076205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822068.

The product of its (nonzero) digits is 4116000, while the sum is 50.

The spelling of 427557076205 in words is "four hundred twenty-seven billion, five hundred fifty-seven million, seventy-six thousand, two hundred five".