427748261748 has 24 divisors (see below), whose sum is σ = 999012964320. Its totient is φ = 142449370080.

The previous prime is 427748261719. The next prime is 427748261749. The reversal of 427748261748 is 847162847724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 427748261691 and 427748261700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427748261749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16659618 + ... + 16685273.

It is an arithmetic number, because the mean of its divisors is an integer number (41625540180).

Almost surely, 2^427748261748 is an apocalyptic number.

It is an amenable number.

427748261748 is an abundant number, since it is smaller than the sum of its proper divisors (571264702572).

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

427748261748 is a wasteful number, since it uses less digits than its factorization.

427748261748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33345967 (or 33345965 counting only the distinct ones).

The product of its digits is 33718272, while the sum is 60.

The spelling of 427748261748 in words is "four hundred twenty-seven billion, seven hundred forty-eight million, two hundred sixty-one thousand, seven hundred forty-eight".