63378763 has 4 divisors (see below), whose sum is σ = 72432880. Its totient is φ = 54324648.

The previous prime is 63378739. The next prime is 63378767. The reversal of 63378763 is 36787336.

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

It is a de Polignac number, because none of the positive numbers 2^k-63378763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63378767) 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, 4527048 + ... + 4527061.

It is an arithmetic number, because the mean of its divisors is an integer number (18108220).

Almost surely, 2^63378763 is an apocalyptic number.

63378763 is a deficient number, since it is larger than the sum of its proper divisors (9054117).

63378763 is an equidigital number, since it uses as much as digits as its factorization.

63378763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9054116.

The product of its digits is 381024, while the sum is 43.

The square root of 63378763 is about 7961.0780048936. The cubic root of 63378763 is about 398.7015458528.

The spelling of 63378763 in words is "sixty-three million, three hundred seventy-eight thousand, seven hundred sixty-three".