63848889 has 48 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 36140544.

The previous prime is 63848879. The next prime is 63848891. The reversal of 63848889 is 98884836.

It is not a de Polignac number, because 63848889 - 2⁵ = 63848857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63848819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93142 + ... + 93824.

It is an arithmetic number, because the mean of its divisors is an integer number (2240784).

Almost surely, 2^63848889 is an apocalyptic number.

It is an amenable number.

63848889 is a deficient number, since it is larger than the sum of its proper divisors (43708743).

63848889 is a wasteful number, since it uses less digits than its factorization.

63848889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 763 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 63848889 is about 7990.5499810714. The cubic root of 63848889 is about 399.6849373206.

The spelling of 63848889 in words is "sixty-three million, eight hundred forty-eight thousand, eight hundred eighty-nine".