63794635776 has 165 divisors, whose sum is σ = 190720723809. Its totient is φ = 21240631296.

The previous prime is 63794635763. The next prime is 63794635789. The reversal of 63794635776 is 67753649736.

The square root of 63794635776 is 252576.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (63794635763) and next prime (63794635789).

It can be written as a sum of positive squares in only one way, i.e., 53749785600 + 10044850176 = 231840^2 + 100224^2 .

Its product of digits (120022560) is a multiple of the sum of its prime divisors (882).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 72741450 + ... + 72742326.

Almost surely, 2^63794635776 is an apocalyptic number.

63794635776 is the 252576-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63794635776

63794635776 is an abundant number, since it is smaller than the sum of its proper divisors (126926088033).

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

63794635776 is an frugal number, since it uses more digits than its factorization.

63794635776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786 (or 882 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 63.

The spelling of 63794635776 in words is "sixty-three billion, seven hundred ninety-four million, six hundred thirty-five thousand, seven hundred seventy-six".