63831311877216 has 192 divisors, whose sum is σ = 186856960389120. Its totient is φ = 18944002344960.

The previous prime is 63831311877191. The next prime is 63831311877241. The reversal of 63831311877216 is 61277811313836.

It is an interprime number because it is at equal distance from previous prime (63831311877191) and next prime (63831311877241).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34976421 + ... + 36756123.

It is an arithmetic number, because the mean of its divisors is an integer number (973213335360).

Almost surely, 2^{63831311877216} 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 63831311877216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93428480194560).

63831311877216 is an abundant number, since it is smaller than the sum of its proper divisors (123025648511904).

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

63831311877216 is a wasteful number, since it uses less digits than its factorization.

63831311877216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780749 (or 1780741 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 57.

The spelling of 63831311877216 in words is "sixty-three trillion, eight hundred thirty-one billion, three hundred eleven million, eight hundred seventy-seven thousand, two hundred sixteen".