63985562 has 4 divisors (see below), whose sum is σ = 95978346. Its totient is φ = 31992780.

The previous prime is 63985561. The next prime is 63985583. The reversal of 63985562 is 26558936.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 19882681 = 6641^2 + 4459^2 .

It is not an unprimeable number, because it can be changed into a prime (63985561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15996389 + ... + 15996392.

Almost surely, 2^63985562 is an apocalyptic number.

63985562 is a deficient number, since it is larger than the sum of its proper divisors (31992784).

63985562 is a wasteful number, since it uses less digits than its factorization.

63985562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31992783.

The product of its digits is 388800, while the sum is 44.

The square root of 63985562 is about 7999.0975741017. The cubic root of 63985562 is about 399.9699185712.

The spelling of 63985562 in words is "sixty-three million, nine hundred eighty-five thousand, five hundred sixty-two".