63874537782 has 48 divisors (see below), whose sum is σ = 147808879680. Its totient is φ = 18337183920.

The previous prime is 63874537739. The next prime is 63874537789. The reversal of 63874537782 is 28773547836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63874537789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2301508 + ... + 2329095.

It is an arithmetic number, because the mean of its divisors is an integer number (3079351660).

Almost surely, 2^63874537782 is an apocalyptic number.

63874537782 is an abundant number, since it is smaller than the sum of its proper divisors (83934341898).

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

63874537782 is a wasteful number, since it uses less digits than its factorization.

63874537782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630649 (or 4630638 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 60.

The spelling of 63874537782 in words is "sixty-three billion, eight hundred seventy-four million, five hundred thirty-seven thousand, seven hundred eighty-two".