6869870280 has 768 divisors, whose sum is σ = 29935872000. Its totient is φ = 1368327168.

The previous prime is 6869870279. The next prime is 6869870303. The reversal of 6869870280 is 820789686.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 24275019 + ... + 24275301.

It is an arithmetic number, because the mean of its divisors is an integer number (38979000).

Almost surely, 2^6869870280 is an apocalyptic number.

6869870280 is a gapful number since it is divisible by the number (60) 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 6869870280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14967936000).

6869870280 is an abundant number, since it is smaller than the sum of its proper divisors (23066001720).

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

6869870280 is a wasteful number, since it uses less digits than its factorization.

6869870280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 6869870280 is about 82884.6806110755. The cubic root of 6869870280 is about 1901.0031895265.

The spelling of 6869870280 in words is "six billion, eight hundred sixty-nine million, eight hundred seventy thousand, two hundred eighty".