427031847872 has 56 divisors (see below), whose sum is σ = 970758983040. Its totient is φ = 182576782080.

The previous prime is 427031847839. The next prime is 427031847877. The reversal of 427031847872 is 278748130724.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427031847877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 949754 + ... + 1325177.

It is an arithmetic number, because the mean of its divisors is an integer number (17334981840).

Almost surely, 2^427031847872 is an apocalyptic number.

It is an amenable number.

427031847872 is an abundant number, since it is smaller than the sum of its proper divisors (543727135168).

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

427031847872 is a wasteful number, since it uses less digits than its factorization.

427031847872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275369 (or 2275359 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 53.

The spelling of 427031847872 in words is "four hundred twenty-seven billion, thirty-one million, eight hundred forty-seven thousand, eight hundred seventy-two".