63457885 has 8 divisors (see below), whose sum is σ = 76935096. Its totient is φ = 50242560.

The previous prime is 63457879. The next prime is 63457903. The reversal of 63457885 is 58875436.

63457885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 729 + 63457156 = 27^2 + 7966^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63457885 - 2¹¹ = 63455837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64936 + ... + 65905.

It is an arithmetic number, because the mean of its divisors is an integer number (9616887).

Almost surely, 2^63457885 is an apocalyptic number.

It is an amenable number.

63457885 is a deficient number, since it is larger than the sum of its proper divisors (13477211).

63457885 is a wasteful number, since it uses less digits than its factorization.

63457885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130943.

The product of its digits is 806400, while the sum is 46.

The square root of 63457885 is about 7966.0457568357. The cubic root of 63457885 is about 398.8673897620.

The spelling of 63457885 in words is "sixty-three million, four hundred fifty-seven thousand, eight hundred eighty-five".