2679066820 has 12 divisors (see below), whose sum is σ = 5626040364. Its totient is φ = 1071626720.

The previous prime is 2679066809. The next prime is 2679066821. The reversal of 2679066820 is 286609762.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1674937476 + 1004129344 = 40926^2 + 31688^2 .

It is not an unprimeable number, because it can be changed into a prime (2679066821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66976651 + ... + 66976690.

It is an arithmetic number, because the mean of its divisors is an integer number (468836697).

Almost surely, 2^2679066820 is an apocalyptic number.

2679066820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2679066820 is an abundant number, since it is smaller than the sum of its proper divisors (2946973544).

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

2679066820 is a wasteful number, since it uses less digits than its factorization.

2679066820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133953350 (or 133953348 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2679066820 is about 51759.7026652975. The cubic root of 2679066820 is about 1388.8686721277.

The spelling of 2679066820 in words is "two billion, six hundred seventy-nine million, sixty-six thousand, eight hundred twenty".