863263463728 has 10 divisors (see below), whose sum is σ = 1672572961004. Its totient is φ = 431631731856.

The previous prime is 863263463701. The next prime is 863263463747. The reversal of 863263463728 is 827364362368.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26976983226 + ... + 26976983257.

Almost surely, 2^863263463728 is an apocalyptic number.

It is an amenable number.

863263463728 is a deficient number, since it is larger than the sum of its proper divisors (809309497276).

863263463728 is a wasteful number, since it uses less digits than its factorization.

863263463728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53953966491 (or 53953966485 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 58.

The spelling of 863263463728 in words is "eight hundred sixty-three billion, two hundred sixty-three million, four hundred sixty-three thousand, seven hundred twenty-eight".