63763875 has 64 divisors (see below), whose sum is σ = 134784000. Its totient is φ = 29138400.

The previous prime is 63763873. The next prime is 63763877. The reversal of 63763875 is 57836736.

63763875 is a `hidden beast` number, since 6 + 3 + 7 + 638 + 7 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (63763873) and next prime (63763877).

It is not a de Polignac number, because 63763875 - 2¹ = 63763873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 63763875.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63763873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22276 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (2106000).

Almost surely, 2^63763875 is an apocalyptic number.

63763875 is an abundant number, since it is smaller than the sum of its proper divisors (71020125).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63763875 is a wasteful number, since it uses less digits than its factorization.

63763875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2730 (or 2714 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 63763875 is about 7985.2285502670. The cubic root of 63763875 is about 399.5074666929.

The spelling of 63763875 in words is "sixty-three million, seven hundred sixty-three thousand, eight hundred seventy-five".