63136782840 has 32 divisors (see below), whose sum is σ = 189410348880. Its totient is φ = 16836475392.

The previous prime is 63136782781. The next prime is 63136782859. The reversal of 63136782840 is 4828763136.

It is a self number, because there is not a number n which added to its sum of digits gives 63136782840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263069809 + ... + 263070048.

Almost surely, 2^63136782840 is an apocalyptic number.

63136782840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63136782840 is an abundant number, since it is smaller than the sum of its proper divisors (126273566040).

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

63136782840 is a wasteful number, since it uses less digits than its factorization.

63136782840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526139871 (or 526139867 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 63136782840 in words is "sixty-three billion, one hundred thirty-six million, seven hundred eighty-two thousand, eight hundred forty".