63887273151744 has 432 divisors, whose sum is σ = 200151507245760. Its totient is φ = 18036915240960.

The previous prime is 63887273151739. The next prime is 63887273151803. The reversal of 63887273151744 is 44715137278836.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1407527002 + ... + 1407572390.

It is an arithmetic number, because the mean of its divisors is an integer number (463313674180).

Almost surely, 2^{63887273151744} is an apocalyptic number.

63887273151744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63887273151744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100075753622880).

63887273151744 is an abundant number, since it is smaller than the sum of its proper divisors (136264234094016).

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

63887273151744 is a wasteful number, since it uses less digits than its factorization.

63887273151744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45866 (or 45845 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 66.

The spelling of 63887273151744 in words is "sixty-three trillion, eight hundred eighty-seven billion, two hundred seventy-three million, one hundred fifty-one thousand, seven hundred forty-four".