986642707886 has 24 divisors (see below), whose sum is σ = 1628473843920. Its totient is φ = 447995227680.

The previous prime is 986642707867. The next prime is 986642707891. The reversal of 986642707886 is 688707246689.

It is a congruent number.

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, 1948826 + ... + 2402333.

It is an arithmetic number, because the mean of its divisors is an integer number (67853076830).

Almost surely, 2^986642707886 is an apocalyptic number.

986642707886 is a deficient number, since it is larger than the sum of its proper divisors (641831136034).

986642707886 is a wasteful number, since it uses less digits than its factorization.

986642707886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352120 (or 4352109 counting only the distinct ones).

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 986642707886 in words is "nine hundred eighty-six billion, six hundred forty-two million, seven hundred seven thousand, eight hundred eighty-six".