63848986 has 4 divisors (see below), whose sum is σ = 95773482. Its totient is φ = 31924492.

The previous prime is 63848977. The next prime is 63849001. The reversal of 63848986 is 68984836.

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., 61387225 + 2461761 = 7835^2 + 1569^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15962245 + ... + 15962248.

Almost surely, 2^63848986 is an apocalyptic number.

63848986 is a deficient number, since it is larger than the sum of its proper divisors (31924496).

63848986 is a wasteful number, since it uses less digits than its factorization.

63848986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31924495.

The product of its digits is 1990656, while the sum is 52.

The square root of 63848986 is about 7990.5560507389. The cubic root of 63848986 is about 399.6851397225.

The spelling of 63848986 in words is "sixty-three million, eight hundred forty-eight thousand, nine hundred eighty-six".