63278217151436 has 72 divisors (see below), whose sum is σ = 129362482828656. Its totient is φ = 27004285163520.

The previous prime is 63278217151421. The next prime is 63278217151439. The reversal of 63278217151436 is 63415171287236.

It is not an unprimeable number, because it can be changed into a prime (63278217151439) 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, 587231315 + ... + 587339061.

It is an arithmetic number, because the mean of its divisors is an integer number (1796701150398).

Almost surely, 2^{63278217151436} 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 63278217151436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64681241414328).

63278217151436 is an abundant number, since it is smaller than the sum of its proper divisors (66084265677220).

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

63278217151436 is a wasteful number, since it uses less digits than its factorization.

63278217151436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120439 (or 120430 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The spelling of 63278217151436 in words is "sixty-three trillion, two hundred seventy-eight billion, two hundred seventeen million, one hundred fifty-one thousand, four hundred thirty-six".