63320877767 has 4 divisors (see below), whose sum is σ = 72366717456. Its totient is φ = 54275038080.

The previous prime is 63320877761. The next prime is 63320877787. The reversal of 63320877767 is 76777802336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63320877767 - 2¹⁶ = 63320812231 is a prime.

It is a super-2 number, since 2×63320877767² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63320877761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4522919834 + ... + 4522919847.

It is an arithmetic number, because the mean of its divisors is an integer number (18091679364).

Almost surely, 2^63320877767 is an apocalyptic number.

63320877767 is a deficient number, since it is larger than the sum of its proper divisors (9045839689).

63320877767 is an equidigital number, since it uses as much as digits as its factorization.

63320877767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9045839688.

The product of its (nonzero) digits is 12446784, while the sum is 56.

The spelling of 63320877767 in words is "sixty-three billion, three hundred twenty million, eight hundred seventy-seven thousand, seven hundred sixty-seven".