63457896384 has 42 divisors (see below), whose sum is σ = 181890603960. Its totient is φ = 21152631936.

The previous prime is 63457896317. The next prime is 63457896389. The reversal of 63457896384 is 48369875436.

63457896384 is a `hidden beast` number, since 63 + 45 + 78 + 96 + 384 = 666.

It is a super-2 number, since 2×63457896384² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63457896389) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 55084404 + ... + 55085555.

Almost surely, 2^63457896384 is an apocalyptic number.

63457896384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63457896384 is an abundant number, since it is smaller than the sum of its proper divisors (118432707576).

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

63457896384 is a wasteful number, since it uses less digits than its factorization.

63457896384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110169977 (or 110169964 counting only the distinct ones).

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

The spelling of 63457896384 in words is "sixty-three billion, four hundred fifty-seven million, eight hundred ninety-six thousand, three hundred eighty-four".