63078872065 has 128 divisors (see below), whose sum is σ = 92897280000. Its totient is φ = 40579418880.

The previous prime is 63078872053. The next prime is 63078872089. The reversal of 63078872065 is 56027887036.

63078872065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63078872065 - 2⁵ = 63078872033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 263928216 + ... + 263928454.

It is an arithmetic number, because the mean of its divisors is an integer number (725760000).

Almost surely, 2^63078872065 is an apocalyptic number.

It is an amenable number.

63078872065 is a deficient number, since it is larger than the sum of its proper divisors (29818407935).

63078872065 is a wasteful number, since it uses less digits than its factorization.

63078872065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 63078872065 in words is "sixty-three billion, seventy-eight million, eight hundred seventy-two thousand, sixty-five".