427880056 has 8 divisors (see below), whose sum is σ = 802275120. Its totient is φ = 213940024.

The previous prime is 427880051. The next prime is 427880111. The reversal of 427880056 is 650088724.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427880051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26742496 + ... + 26742511.

It is an arithmetic number, because the mean of its divisors is an integer number (100284390).

Almost surely, 2^427880056 is an apocalyptic number.

It is an amenable number.

427880056 is a deficient number, since it is larger than the sum of its proper divisors (374395064).

427880056 is a wasteful number, since it uses less digits than its factorization.

427880056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53485013 (or 53485009 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 427880056 is about 20685.2618064167. The cubic root of 427880056 is about 753.5417995827.

The spelling of 427880056 in words is "four hundred twenty-seven million, eight hundred eighty thousand, fifty-six".