63384377 has 4 divisors (see below), whose sum is σ = 72439296. Its totient is φ = 54329460.

The previous prime is 63384353. The next prime is 63384403. The reversal of 63384377 is 77348336.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 63384377 - 2¹⁶ = 63318841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63384337) 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, 4527449 + ... + 4527462.

It is an arithmetic number, because the mean of its divisors is an integer number (18109824).

Almost surely, 2^63384377 is an apocalyptic number.

It is an amenable number.

63384377 is a deficient number, since it is larger than the sum of its proper divisors (9054919).

63384377 is an equidigital number, since it uses as much as digits as its factorization.

63384377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9054918.

The product of its digits is 254016, while the sum is 41.

The square root of 63384377 is about 7961.4305875263. The cubic root of 63384377 is about 398.7133176425.

The spelling of 63384377 in words is "sixty-three million, three hundred eighty-four thousand, three hundred seventy-seven".