427676860 has 48 divisors (see below), whose sum is σ = 976310496. Its totient is φ = 156425472.

The previous prime is 427676831. The next prime is 427676897. The reversal of 427676860 is 68676724.

It is a self number, because there is not a number n which added to its sum of digits gives 427676860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20134 + ... + 35506.

It is an arithmetic number, because the mean of its divisors is an integer number (20339802).

Almost surely, 2^427676860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427676860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (488155248).

427676860 is an abundant number, since it is smaller than the sum of its proper divisors (548633636).

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

427676860 is a wasteful number, since it uses less digits than its factorization.

427676860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15502 (or 15500 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 427676860 is about 20680.3496101976. The cubic root of 427676860 is about 753.4224975169.

The spelling of 427676860 in words is "four hundred twenty-seven million, six hundred seventy-six thousand, eight hundred sixty".