63882765 has 12 divisors (see below), whose sum is σ = 110730204. Its totient is φ = 34070784.

The previous prime is 63882761. The next prime is 63882779. The reversal of 63882765 is 56728836.

63882765 is a `hidden beast` number, since 638 + 8 + 2 + 7 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6456681 + 57426084 = 2541^2 + 7578^2 .

It is not a de Polignac number, because 63882765 - 2² = 63882761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1419617 = 63882765 / (6 + 3 + 8 + 8 + 2 + 7 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 63882765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63882761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709764 + ... + 709853.

It is an arithmetic number, because the mean of its divisors is an integer number (9227517).

Almost surely, 2^63882765 is an apocalyptic number.

It is an amenable number.

63882765 is a deficient number, since it is larger than the sum of its proper divisors (46847439).

63882765 is a wasteful number, since it uses less digits than its factorization.

63882765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419628 (or 1419625 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 63882765 is about 7992.6694539434. The cubic root of 63882765 is about 399.7556111323.

The spelling of 63882765 in words is "sixty-three million, eight hundred eighty-two thousand, seven hundred sixty-five".