63883397747 has 4 divisors (see below), whose sum is σ = 68797505280. Its totient is φ = 58969290216.

The previous prime is 63883397681. The next prime is 63883397791. The reversal of 63883397747 is 74779338836.

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 63883397747 - 2¹⁶ = 63883332211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63883397647) 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, 2457053747 + ... + 2457053772.

It is an arithmetic number, because the mean of its divisors is an integer number (17199376320).

Almost surely, 2^63883397747 is an apocalyptic number.

63883397747 is a deficient number, since it is larger than the sum of its proper divisors (4914107533).

63883397747 is a wasteful number, since it uses less digits than its factorization.

63883397747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4914107532.

The product of its digits is 128024064, while the sum is 65.

The spelling of 63883397747 in words is "sixty-three billion, eight hundred eighty-three million, three hundred ninety-seven thousand, seven hundred forty-seven".