486863851866 has 64 divisors (see below), whose sum is σ = 1114761719808. Its totient is φ = 138862931328.

The previous prime is 486863851861. The next prime is 486863851879. The reversal of 486863851866 is 668158368684.

It is a self number, because there is not a number n which added to its sum of digits gives 486863851866.

It is not an unprimeable number, because it can be changed into a prime (486863851861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69717811 + ... + 69724793.

It is an arithmetic number, because the mean of its divisors is an integer number (17418151872).

Almost surely, 2^486863851866 is an apocalyptic number.

486863851866 is an abundant number, since it is smaller than the sum of its proper divisors (627897867942).

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

486863851866 is a wasteful number, since it uses less digits than its factorization.

486863851866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635.

The product of its digits is 318504960, while the sum is 69.

The spelling of 486863851866 in words is "four hundred eighty-six billion, eight hundred sixty-three million, eight hundred fifty-one thousand, eight hundred sixty-six".