63957798 has 48 divisors (see below), whose sum is σ = 141903216. Its totient is φ = 20813760.

The previous prime is 63957797. The next prime is 63957841. The reversal of 63957798 is 89775936.

63957798 is a `hidden beast` number, since 63 + 9 + 577 + 9 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63957797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218140 + ... + 218432.

It is an arithmetic number, because the mean of its divisors is an integer number (2956317).

Almost surely, 2^63957798 is an apocalyptic number.

63957798 is an abundant number, since it is smaller than the sum of its proper divisors (77945418).

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

63957798 is a wasteful number, since it uses less digits than its factorization.

63957798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 546 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 54.

The square root of 63957798 is about 7997.3619400400. The cubic root of 63957798 is about 399.9120598344.

The spelling of 63957798 in words is "sixty-three million, nine hundred fifty-seven thousand, seven hundred ninety-eight".