63144677 has 4 divisors (see below), whose sum is σ = 64336140. Its totient is φ = 61953216.

The previous prime is 63144671. The next prime is 63144703. The reversal of 63144677 is 77644136.

63144677 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20124196 + 43020481 = 4486^2 + 6559^2 .

It is a cyclic number.

It is not a de Polignac number, because 63144677 - 2⁸ = 63144421 is a prime.

It is a super-4 number, since 4×63144677⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63144677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63144671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595652 + ... + 595757.

It is an arithmetic number, because the mean of its divisors is an integer number (16084035).

Almost surely, 2^63144677 is an apocalyptic number.

It is an amenable number.

63144677 is a deficient number, since it is larger than the sum of its proper divisors (1191463).

63144677 is a wasteful number, since it uses less digits than its factorization.

63144677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191462.

The product of its digits is 84672, while the sum is 38.

The square root of 63144677 is about 7946.3625011700. The cubic root of 63144677 is about 398.2100794918.

The spelling of 63144677 in words is "sixty-three million, one hundred forty-four thousand, six hundred seventy-seven".