6779484420 has 24 divisors (see below), whose sum is σ = 18982556544. Its totient is φ = 1807862496.

The previous prime is 6779484343. The next prime is 6779484443. The reversal of 6779484420 is 244849776.

It is a happy number.

It is a super-2 number, since 2×6779484420² = 91922818002045472800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56495644 + ... + 56495763.

It is an arithmetic number, because the mean of its divisors is an integer number (790939856).

Almost surely, 2^6779484420 is an apocalyptic number.

6779484420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6779484420 is an abundant number, since it is smaller than the sum of its proper divisors (12203072124).

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

6779484420 is a wasteful number, since it uses less digits than its factorization.

6779484420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112991419 (or 112991417 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The square root of 6779484420 is about 82337.6245710307. The cubic root of 6779484420 is about 1892.6292847652.

The spelling of 6779484420 in words is "six billion, seven hundred seventy-nine million, four hundred eighty-four thousand, four hundred twenty".