63897011 has 8 divisors (see below), whose sum is σ = 65828400. Its totient is φ = 61985952.

The previous prime is 63897007. The next prime is 63897023. The reversal of 63897011 is 11079836.

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 63897011 - 2² = 63897007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63897061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1421 + ... + 11393.

It is an arithmetic number, because the mean of its divisors is an integer number (8228550).

Almost surely, 2^63897011 is an apocalyptic number.

63897011 is a deficient number, since it is larger than the sum of its proper divisors (1931389).

63897011 is a wasteful number, since it uses less digits than its factorization.

63897011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10165.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 63897011 is about 7993.5605958797. The cubic root of 63897011 is about 399.7853243899.

The spelling of 63897011 in words is "sixty-three million, eight hundred ninety-seven thousand, eleven".