63872122880 has 90 divisors (see below), whose sum is σ = 153462212946. Its totient is φ = 25519915008.

The previous prime is 63872122871. The next prime is 63872122921. The reversal of 63872122880 is 8822127836.

It can be written as a sum of positive squares in only one way, i.e., 51097698304 + 12774424576 = 226048^2 + 113024^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72334919 + ... + 72335801.

Almost surely, 2^63872122880 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 63872122880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76731106473).

63872122880 is an abundant number, since it is smaller than the sum of its proper divisors (89590090066).

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

63872122880 is an frugal number, since it uses more digits than its factorization.

63872122880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 63872122880 in words is "sixty-three billion, eight hundred seventy-two million, one hundred twenty-two thousand, eight hundred eighty".