63479457 has 40 divisors (see below), whose sum is σ = 99316800. Its totient is φ = 40365216.

The previous prime is 63479431. The next prime is 63479473. The reversal of 63479457 is 75497436.

63479457 is a `hidden beast` number, since 634 + 7 + 9 + 4 + 5 + 7 = 666.

63479457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63479457 - 2⁸ = 63479201 is a prime.

It is a super-2 number, since 2×63479457² = 8059282922029698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63479417) 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 39 ways as a sum of consecutive naturals, for example, 176644 + ... + 177002.

It is an arithmetic number, because the mean of its divisors is an integer number (2482920).

Almost surely, 2^63479457 is an apocalyptic number.

It is an amenable number.

63479457 is a deficient number, since it is larger than the sum of its proper divisors (35837343).

63479457 is a wasteful number, since it uses less digits than its factorization.

63479457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 458 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 63479457 is about 7967.3996385270. The cubic root of 63479457 is about 398.9125819002.

It can be divided in two parts, 63479 and 457, that added together give a palindrome (63936).

The spelling of 63479457 in words is "sixty-three million, four hundred seventy-nine thousand, four hundred fifty-seven".