63785898 has 48 divisors (see below), whose sum is σ = 151441056. Its totient is φ = 19242720.

The previous prime is 63785881. The next prime is 63785929. The reversal of 63785898 is 89858736.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54265 + ... + 55427.

It is an arithmetic number, because the mean of its divisors is an integer number (3155022).

Almost surely, 2^63785898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63785898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75720528).

63785898 is an abundant number, since it is smaller than the sum of its proper divisors (87655158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63785898 is a wasteful number, since it uses less digits than its factorization.

63785898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1456 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 63785898 is about 7986.6074149165. The cubic root of 63785898 is about 399.5534558480.

The spelling of 63785898 in words is "sixty-three million, seven hundred eighty-five thousand, eight hundred ninety-eight".