63872174745 has 48 divisors (see below), whose sum is σ = 112489513344. Its totient is φ = 33520032000.

The previous prime is 63872174693. The next prime is 63872174789. The reversal of 63872174745 is 54747127836.

63872174745 is a `hidden beast` number, since 6 + 387 + 217 + 4 + 7 + 45 = 666.

63872174745 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 63872174745 - 2⁸ = 63872174489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63872174691 and 63872174700.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1645410 + ... + 1683780.

It is an arithmetic number, because the mean of its divisors is an integer number (2343531528).

Almost surely, 2^63872174745 is an apocalyptic number.

It is an amenable number.

63872174745 is a deficient number, since it is larger than the sum of its proper divisors (48617338599).

63872174745 is a wasteful number, since it uses less digits than its factorization.

63872174745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38974 (or 38971 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 54.

The spelling of 63872174745 in words is "sixty-three billion, eight hundred seventy-two million, one hundred seventy-four thousand, seven hundred forty-five".