427056860 has 12 divisors (see below), whose sum is σ = 896819448. Its totient is φ = 170822736.

The previous prime is 427056859. The next prime is 427056907. The reversal of 427056860 is 68650724.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10676402 + ... + 10676441.

It is an arithmetic number, because the mean of its divisors is an integer number (74734954).

Almost surely, 2^427056860 is an apocalyptic number.

It is an amenable number.

427056860 is an abundant number, since it is smaller than the sum of its proper divisors (469762588).

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

427056860 is a wasteful number, since it uses less digits than its factorization.

427056860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352852 (or 21352850 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 427056860 is about 20665.3540981034. The cubic root of 427056860 is about 753.0582444231.

The spelling of 427056860 in words is "four hundred twenty-seven million, fifty-six thousand, eight hundred sixty".