63427896576 has 432 divisors, whose sum is σ = 204902006400. Its totient is φ = 18708480000.

The previous prime is 63427896557. The next prime is 63427896601. The reversal of 63427896576 is 67569872436.

63427896576 is a `hidden beast` number, since 6 + 3 + 427 + 89 + 65 + 76 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 181741650 + ... + 181741998.

It is an arithmetic number, because the mean of its divisors is an integer number (474310200).

Almost surely, 2^63427896576 is an apocalyptic number.

63427896576 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63427896576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102451003200).

63427896576 is an abundant number, since it is smaller than the sum of its proper divisors (141474109824).

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

63427896576 is a wasteful number, since it uses less digits than its factorization.

63427896576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 537 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 63427896576 in words is "sixty-three billion, four hundred twenty-seven million, eight hundred ninety-six thousand, five hundred seventy-six".