63834897 has 24 divisors (see below), whose sum is σ = 99497376. Its totient is φ = 36297408.

The previous prime is 63834871. The next prime is 63834917. The reversal of 63834897 is 79843836.

It is not a de Polignac number, because 63834897 - 2¹⁰ = 63833873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63834497) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32413 + ... + 34325.

It is an arithmetic number, because the mean of its divisors is an integer number (4145724).

Almost surely, 2^63834897 is an apocalyptic number.

It is an amenable number.

63834897 is a deficient number, since it is larger than the sum of its proper divisors (35662479).

63834897 is a wasteful number, since it uses less digits than its factorization.

63834897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 2150 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 63834897 is about 7989.6743988726. The cubic root of 63834897 is about 399.6557392129.

The spelling of 63834897 in words is "sixty-three million, eight hundred thirty-four thousand, eight hundred ninety-seven".