63834457 has 4 divisors (see below), whose sum is σ = 63859456. Its totient is φ = 63809460.

The previous prime is 63834427. The next prime is 63834461. The reversal of 63834457 is 75443836.

63834457 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63834457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63834427) 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, 8169 + ... + 13942.

It is an arithmetic number, because the mean of its divisors is an integer number (15964864).

Almost surely, 2^63834457 is an apocalyptic number.

It is an amenable number.

63834457 is a deficient number, since it is larger than the sum of its proper divisors (24999).

63834457 is a wasteful number, since it uses less digits than its factorization.

63834457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24998.

The product of its digits is 241920, while the sum is 40.

The square root of 63834457 is about 7989.6468632850. The cubic root of 63834457 is about 399.6548209643.

It can be divided in two parts, 638344 and 57, that added together give a square (638401 = 799²).

The spelling of 63834457 in words is "sixty-three million, eight hundred thirty-four thousand, four hundred fifty-seven".