63820075075 has 6 divisors (see below), whose sum is σ = 79136893124. Its totient is φ = 51056060040.

The previous prime is 63820075073. The next prime is 63820075093. The reversal of 63820075075 is 57057002836.

It is not a de Polignac number, because 63820075075 - 2¹ = 63820075073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63820075073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1276401477 + ... + 1276401526.

Almost surely, 2^63820075075 is an apocalyptic number.

63820075075 is a deficient number, since it is larger than the sum of its proper divisors (15316818049).

63820075075 is a wasteful number, since it uses less digits than its factorization.

63820075075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552803013 (or 2552803008 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 63820075075 in words is "sixty-three billion, eight hundred twenty million, seventy-five thousand, seventy-five".