6475940779 has 8 divisors (see below), whose sum is σ = 8073900288. Its totient is φ = 5046187560.

The previous prime is 6475940761. The next prime is 6475940813. The reversal of 6475940779 is 9770495746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6475940779 - 2⁹ = 6475940267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6475940179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42051487 + ... + 42051640.

It is an arithmetic number, because the mean of its divisors is an integer number (1009237536).

Almost surely, 2^6475940779 is an apocalyptic number.

6475940779 is a deficient number, since it is larger than the sum of its proper divisors (1597959509).

6475940779 is a wasteful number, since it uses less digits than its factorization.

6475940779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84103145.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The square root of 6475940779 is about 80473.2302011048. The cubic root of 6475940779 is about 1863.9501338798.

The spelling of 6475940779 in words is "six billion, four hundred seventy-five million, nine hundred forty thousand, seven hundred seventy-nine".