4861563257886 has 16 divisors (see below), whose sum is σ = 9882522033168. Its totient is φ = 1593955166400.

The previous prime is 4861563257807. The next prime is 4861563257897. The reversal of 4861563257886 is 6887523651684.

It is a self number, because there is not a number n which added to its sum of digits gives 4861563257886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6641479495 + ... + 6641480226.

It is an arithmetic number, because the mean of its divisors is an integer number (617657627073).

Almost surely, 2^{4861563257886} is an apocalyptic number.

4861563257886 is an abundant number, since it is smaller than the sum of its proper divisors (5020958775282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4861563257886 is a wasteful number, since it uses less digits than its factorization.

4861563257886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13282959787.

The product of its digits is 464486400, while the sum is 69.

The spelling of 4861563257886 in words is "four trillion, eight hundred sixty-one billion, five hundred sixty-three million, two hundred fifty-seven thousand, eight hundred eighty-six".