63434897 has 8 divisors (see below), whose sum is σ = 68328960. Its totient is φ = 58718880.

The previous prime is 63434893. The next prime is 63434911. The reversal of 63434897 is 79843436.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63434897 - 2² = 63434893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63434893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43772 + ... + 45197.

It is an arithmetic number, because the mean of its divisors is an integer number (8541120).

Almost surely, 2^63434897 is an apocalyptic number.

It is an amenable number.

63434897 is a deficient number, since it is larger than the sum of its proper divisors (4894063).

63434897 is a wasteful number, since it uses less digits than its factorization.

63434897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89023.

The product of its digits is 435456, while the sum is 44.

The square root of 63434897 is about 7964.6027521779. The cubic root of 63434897 is about 398.8192199091.

The spelling of 63434897 in words is "sixty-three million, four hundred thirty-four thousand, eight hundred ninety-seven".