63785896 has 8 divisors (see below), whose sum is σ = 119598570. Its totient is φ = 31892944.

The previous prime is 63785881. The next prime is 63785929. The reversal of 63785896 is 69858736.

It can be written as a sum of positive squares in only one way, i.e., 50608996 + 13176900 = 7114^2 + 3630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3986611 + ... + 3986626.

Almost surely, 2^63785896 is an apocalyptic number.

It is an amenable number.

63785896 is a deficient number, since it is larger than the sum of its proper divisors (55812674).

63785896 is a wasteful number, since it uses less digits than its factorization.

63785896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973243 (or 7973239 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The square root of 63785896 is about 7986.6072897069. The cubic root of 63785896 is about 399.5534516720.

The spelling of 63785896 in words is "sixty-three million, seven hundred eighty-five thousand, eight hundred ninety-six".