486877847665 has 12 divisors (see below), whose sum is σ = 642195905652. Its totient is φ = 354092979680.

The previous prime is 486877847653. The next prime is 486877847699. The reversal of 486877847665 is 566748778684.

It can be written as a sum of positive squares in 2 ways, for example, as 134877704049 + 352000143616 = 367257^2 + 593296^2 .

It is a de Polignac number, because none of the positive numbers 2^k-486877847665 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 486877847591 and 486877847600.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402377782 + ... + 402378991.

It is an arithmetic number, because the mean of its divisors is an integer number (53516325471).

Almost surely, 2^486877847665 is an apocalyptic number.

It is an amenable number.

486877847665 is a deficient number, since it is larger than the sum of its proper divisors (155318057987).

486877847665 is a wasteful number, since it uses less digits than its factorization.

486877847665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804756800 (or 804756789 counting only the distinct ones).

The product of its digits is 3034644480, while the sum is 76.

The spelling of 486877847665 in words is "four hundred eighty-six billion, eight hundred seventy-seven million, eight hundred forty-seven thousand, six hundred sixty-five".