63768379 has 4 divisors (see below), whose sum is σ = 64353520. Its totient is φ = 63183240.

The previous prime is 63768329. The next prime is 63768401. The reversal of 63768379 is 97386736.

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 63768379 - 2²¹ = 61671227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63768329) 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, 292407 + ... + 292624.

It is an arithmetic number, because the mean of its divisors is an integer number (16088380).

Almost surely, 2^63768379 is an apocalyptic number.

63768379 is a deficient number, since it is larger than the sum of its proper divisors (585141).

63768379 is a wasteful number, since it uses less digits than its factorization.

63768379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585140.

The product of its digits is 1143072, while the sum is 49.

The square root of 63768379 is about 7985.5105660189. The cubic root of 63768379 is about 399.5168729556.

The spelling of 63768379 in words is "sixty-three million, seven hundred sixty-eight thousand, three hundred seventy-nine".