63776325312805 has 48 divisors (see below), whose sum is σ = 89628767913600. Its totient is φ = 43436539052928.

The previous prime is 63776325312803. The next prime is 63776325312829. The reversal of 63776325312805 is 50821352367736.

It is a happy number.

It is not a de Polignac number, because 63776325312805 - 2¹ = 63776325312803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63776325312805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63776325312803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 972715954 + ... + 972781516.

It is an arithmetic number, because the mean of its divisors is an integer number (1867265998200).

Almost surely, 2^{63776325312805} is an apocalyptic number.

It is an amenable number.

63776325312805 is a deficient number, since it is larger than the sum of its proper divisors (25852442600795).

63776325312805 is a wasteful number, since it uses less digits than its factorization.

63776325312805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92378 (or 92371 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 58.

The spelling of 63776325312805 in words is "sixty-three trillion, seven hundred seventy-six billion, three hundred twenty-five million, three hundred twelve thousand, eight hundred five".