6779960 has 64 divisors (see below), whose sum is σ = 17539200. Its totient is φ = 2332800.

The previous prime is 6779953. The next prime is 6779987. The reversal of 6779960 is 699776.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7955 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (274050).

Almost surely, 2^6779960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6779960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8769600).

6779960 is an abundant number, since it is smaller than the sum of its proper divisors (10759240).

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

6779960 is a wasteful number, since it uses less digits than its factorization.

6779960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 848 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 6779960 is about 2603.8356322933. The cubic root of 6779960 is about 189.2673539634.

The spelling of 6779960 in words is "six million, seven hundred seventy-nine thousand, nine hundred sixty".