6988785276 has 216 divisors, whose sum is σ = 19296278400. Its totient is φ = 1966472640.

The previous prime is 6988785263. The next prime is 6988785317. The reversal of 6988785276 is 6725878896.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 35119425 + ... + 35119623.

Almost surely, 2^6988785276 is an apocalyptic number.

6988785276 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6988785276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9648139200).

6988785276 is an abundant number, since it is smaller than the sum of its proper divisors (12307493124).

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

6988785276 is a wasteful number, since it uses less digits than its factorization.

6988785276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 301 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 66.

The square root of 6988785276 is about 83598.9549934687. The cubic root of 6988785276 is about 1911.9090655299.

The spelling of 6988785276 in words is "six billion, nine hundred eighty-eight million, seven hundred eighty-five thousand, two hundred seventy-six".