63385888 has 12 divisors (see below), whose sum is σ = 124791030. Its totient is φ = 31692928.

The previous prime is 63385879. The next prime is 63385897. The reversal of 63385888 is 88858336.

It is an interprime number because it is at equal distance from previous prime (63385879) and next prime (63385897).

It can be written as a sum of positive squares in only one way, i.e., 61277584 + 2108304 = 7828^2 + 1452^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990373 + ... + 990436.

Almost surely, 2^63385888 is an apocalyptic number.

It is an amenable number.

63385888 is a deficient number, since it is larger than the sum of its proper divisors (61405142).

63385888 is a wasteful number, since it uses less digits than its factorization.

63385888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980819 (or 1980811 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 63385888 is about 7961.5254819664. The cubic root of 63385888 is about 398.7164858839.

The spelling of 63385888 in words is "sixty-three million, three hundred eighty-five thousand, eight hundred eighty-eight".