6678090979 has 10 divisors (see below), whose sum is σ = 7790645380. Its totient is φ = 5724075924.

The previous prime is 6678090967. The next prime is 6678091033. The reversal of 6678090979 is 9790908766.

6678090979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6678090979 - 2¹¹ = 6678088931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6678094979) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1388289 + ... + 1393090.

It is an arithmetic number, because the mean of its divisors is an integer number (779064538).

Almost surely, 2^6678090979 is an apocalyptic number.

6678090979 is a deficient number, since it is larger than the sum of its proper divisors (1112554401).

6678090979 is an frugal number, since it uses more digits than its factorization.

6678090979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781407 (or 2781386 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 61.

The square root of 6678090979 is about 81719.5874867219. The cubic root of 6678090979 is about 1883.1465132009.

The spelling of 6678090979 in words is "six billion, six hundred seventy-eight million, ninety thousand, nine hundred seventy-nine".