986538478672 has 40 divisors (see below), whose sum is σ = 2024617291200. Its totient is φ = 464078464512.

The previous prime is 986538478663. The next prime is 986538478687. The reversal of 986538478672 is 276874835689.

It is a junction number, because it is equal to n+sod(n) for n = 986538478595 and 986538478604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41229 + ... + 1405267.

It is an arithmetic number, because the mean of its divisors is an integer number (50615432280).

Almost surely, 2^986538478672 is an apocalyptic number.

It is an amenable number.

986538478672 is an abundant number, since it is smaller than the sum of its proper divisors (1038078812528).

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

986538478672 is a wasteful number, since it uses less digits than its factorization.

986538478672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366723 (or 1366717 counting only the distinct ones).

The product of its digits is 975421440, while the sum is 73.

The spelling of 986538478672 in words is "nine hundred eighty-six billion, five hundred thirty-eight million, four hundred seventy-eight thousand, six hundred seventy-two".