63673764000 has 768 divisors, whose sum is σ = 262485909504. Its totient is φ = 13108224000.

The previous prime is 63673763971. The next prime is 63673764023. The reversal of 63673764000 is 46737636.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 126587749 + ... + 126588251.

It is an arithmetic number, because the mean of its divisors is an integer number (341778528).

Almost surely, 2^63673764000 is an apocalyptic number.

63673764000 is a gapful number since it is divisible by the number (60) 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 63673764000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131242954752).

63673764000 is an abundant number, since it is smaller than the sum of its proper divisors (198812145504).

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

63673764000 is a wasteful number, since it uses less digits than its factorization.

63673764000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 63673764000 in words is "sixty-three billion, six hundred seventy-three million, seven hundred sixty-four thousand".