6845867280 has 400 divisors, whose sum is σ = 27914641920. Its totient is φ = 1522105344.

The previous prime is 6845867279. The next prime is 6845867311. The reversal of 6845867280 is 827685486.

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 79 ways as a sum of consecutive naturals, for example, 1676281 + ... + 1680359.

Almost surely, 2^6845867280 is an apocalyptic number.

6845867280 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 6845867280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13957320960).

6845867280 is an abundant number, since it is smaller than the sum of its proper divisors (21068774640).

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

6845867280 is a wasteful number, since it uses less digits than its factorization.

6845867280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4148 (or 4133 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The square root of 6845867280 is about 82739.7563448189. The cubic root of 6845867280 is about 1898.7866010587.

The spelling of 6845867280 in words is "six billion, eight hundred forty-five million, eight hundred sixty-seven thousand, two hundred eighty".