980168856 has 32 divisors (see below), whose sum is σ = 2496659760. Its totient is φ = 320557952.

The previous prime is 980168821. The next prime is 980168863. The reversal of 980168856 is 658861089.

It is a junction number, because it is equal to n+sod(n) for n = 980168799 and 980168808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384015 + ... + 386558.

Almost surely, 2^980168856 is an apocalyptic number.

It is an amenable number.

980168856 is an abundant number, since it is smaller than the sum of its proper divisors (1516490904).

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

980168856 is a wasteful number, since it uses less digits than its factorization.

980168856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770635 (or 770631 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 980168856 is about 31307.6485223659. The cubic root of 980168856 is about 993.3454336419.

The spelling of 980168856 in words is "nine hundred eighty million, one hundred sixty-eight thousand, eight hundred fifty-six".