6985536780 has 24 divisors (see below), whose sum is σ = 19559503152. Its totient is φ = 1862809792.

The previous prime is 6985536773. The next prime is 6985536797. The reversal of 6985536780 is 876355896.

It is a self number, because there is not a number n which added to its sum of digits gives 6985536780.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58212747 + ... + 58212866.

It is an arithmetic number, because the mean of its divisors is an integer number (814979298).

Almost surely, 2^6985536780 is an apocalyptic number.

6985536780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6985536780 is an abundant number, since it is smaller than the sum of its proper divisors (12573966372).

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

6985536780 is a wasteful number, since it uses less digits than its factorization.

6985536780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116425625 (or 116425623 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The square root of 6985536780 is about 83579.5236885207. The cubic root of 6985536780 is about 1911.6127912728.

The spelling of 6985536780 in words is "six billion, nine hundred eighty-five million, five hundred thirty-six thousand, seven hundred eighty".