63113856 has 128 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 18935808.

The previous prime is 63113819. The next prime is 63113857. The reversal of 63113856 is 65831136.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63113857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234490 + ... + 234758.

It is an arithmetic number, because the mean of its divisors is an integer number (1445850).

Almost surely, 2^63113856 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 63113856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92534400).

63113856 is an abundant number, since it is smaller than the sum of its proper divisors (121954944).

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

63113856 is a wasteful number, since it uses less digits than its factorization.

63113856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346 (or 334 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 63113856 is about 7944.4229494659. The cubic root of 63113856 is about 398.1452799930.

The spelling of 63113856 in words is "sixty-three million, one hundred thirteen thousand, eight hundred fifty-six".