427793271865 has 8 divisors (see below), whose sum is σ = 514290415680. Its totient is φ = 341608957872.

The previous prime is 427793271811. The next prime is 427793271883. The reversal of 427793271865 is 568172397724.

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

It is a cyclic number.

It is not a de Polignac number, because 427793271865 - 2¹³ = 427793263673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78204445 + ... + 78209914.

It is an arithmetic number, because the mean of its divisors is an integer number (64286301960).

Almost surely, 2^427793271865 is an apocalyptic number.

It is an amenable number.

427793271865 is a deficient number, since it is larger than the sum of its proper divisors (86497143815).

427793271865 is a wasteful number, since it uses less digits than its factorization.

427793271865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156414911.

The product of its digits is 35562240, while the sum is 61.

The spelling of 427793271865 in words is "four hundred twenty-seven billion, seven hundred ninety-three million, two hundred seventy-one thousand, eight hundred sixty-five".