63689794 has 32 divisors (see below), whose sum is σ = 114149376. Its totient is φ = 26082000.

The previous prime is 63689753. The next prime is 63689797. The reversal of 63689794 is 49798636.

63689794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×63689794³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63689797) 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 15 ways as a sum of consecutive naturals, for example, 27169 + ... + 29419.

It is an arithmetic number, because the mean of its divisors is an integer number (3567168).

Almost surely, 2^63689794 is an apocalyptic number.

63689794 is a deficient number, since it is larger than the sum of its proper divisors (50459582).

63689794 is a wasteful number, since it uses less digits than its factorization.

63689794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350.

The product of its digits is 1959552, while the sum is 52.

The square root of 63689794 is about 7980.5885747857. The cubic root of 63689794 is about 399.3526905412.

The spelling of 63689794 in words is "sixty-three million, six hundred eighty-nine thousand, seven hundred ninety-four".