427793271864 has 96 divisors (see below), whose sum is σ = 1258071555600. Its totient is φ = 120853286400.

The previous prime is 427793271811. The next prime is 427793271883. The reversal of 427793271864 is 468172397724.

427793271864 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 427793271798 and 427793271807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1938987 + ... + 2148314.

Almost surely, 2^427793271864 is an apocalyptic number.

It is an amenable number.

427793271864 is an abundant number, since it is smaller than the sum of its proper divisors (830278283736).

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

427793271864 is a wasteful number, since it uses less digits than its factorization.

427793271864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087413 (or 4087402 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 60.

The spelling of 427793271864 in words is "four hundred twenty-seven billion, seven hundred ninety-three million, two hundred seventy-one thousand, eight hundred sixty-four".