427495963284 has 288 divisors, whose sum is σ = 1238835806208. Its totient is φ = 123361056000.

The previous prime is 427495963249. The next prime is 427495963291. The reversal of 427495963284 is 482369594724.

427495963284 is a `hidden beast` number, since 4 + 2 + 7 + 4 + 9 + 596 + 32 + 8 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81720949 + ... + 81726179.

It is an arithmetic number, because the mean of its divisors is an integer number (4301513216).

Almost surely, 2^427495963284 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 427495963284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619417903104).

427495963284 is an abundant number, since it is smaller than the sum of its proper divisors (811339842924).

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

427495963284 is a wasteful number, since it uses less digits than its factorization.

427495963284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5459 (or 5454 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 63.

The spelling of 427495963284 in words is "four hundred twenty-seven billion, four hundred ninety-five million, nine hundred sixty-three thousand, two hundred eighty-four".