8355071980 has 12 divisors (see below), whose sum is σ = 17545651200. Its totient is φ = 3342028784.

The previous prime is 8355071971. The next prime is 8355072017. The reversal of 8355071980 is 891705538.

It is a super-2 number, since 2×8355071980² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8355071980.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208876780 + ... + 208876819.

It is an arithmetic number, because the mean of its divisors is an integer number (1462137600).

Almost surely, 2^8355071980 is an apocalyptic number.

It is an amenable number.

8355071980 is an abundant number, since it is smaller than the sum of its proper divisors (9190579220).

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

8355071980 is a wasteful number, since it uses less digits than its factorization.

8355071980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417753608 (or 417753606 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 8355071980 is about 91406.0828391634. The cubic root of 8355071980 is about 2029.1620523394.

The spelling of 8355071980 in words is "eight billion, three hundred fifty-five million, seventy-one thousand, nine hundred eighty".