63460574578 has 8 divisors (see below), whose sum is σ = 95351387868. Its totient is φ = 31676778624.

The previous prime is 63460574563. The next prime is 63460574657. The reversal of 63460574578 is 87547506436.

63460574578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55381620889 + 8078953689 = 235333^2 + 89883^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26752851 + ... + 26755222.

Almost surely, 2^63460574578 is an apocalyptic number.

63460574578 is a deficient number, since it is larger than the sum of its proper divisors (31890813290).

63460574578 is a wasteful number, since it uses less digits than its factorization.

63460574578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53508668.

The product of its (nonzero) digits is 16934400, while the sum is 55.

The spelling of 63460574578 in words is "sixty-three billion, four hundred sixty million, five hundred seventy-four thousand, five hundred seventy-eight".