63988045 has 16 divisors (see below), whose sum is σ = 84602880. Its totient is φ = 46072000.

The previous prime is 63988039. The next prime is 63988049. The reversal of 63988045 is 54088936.

It is not a de Polignac number, because 63988045 - 2⁹ = 63987533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63987992 and 63988010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63988049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205 + ... + 11314.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^63988045 is an apocalyptic number.

It is an amenable number.

63988045 is a deficient number, since it is larger than the sum of its proper divisors (20614835).

63988045 is a wasteful number, since it uses less digits than its factorization.

63988045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11636.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 63988045 is about 7999.2527776037. The cubic root of 63988045 is about 399.9750921990.

The spelling of 63988045 in words is "sixty-three million, nine hundred eighty-eight thousand, forty-five".