6479779746 has 32 divisors (see below), whose sum is σ = 14296564800. Its totient is φ = 1941505280.

The previous prime is 6479779739. The next prime is 6479779759.

6479779746 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 545691 + ... + 557438.

It is an arithmetic number, because the mean of its divisors is an integer number (446767650).

Almost surely, 2^6479779746 is an apocalyptic number.

6479779746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6479779746 is an abundant number, since it is smaller than the sum of its proper divisors (7816785054).

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

6479779746 is a wasteful number, since it uses less digits than its factorization.

6479779746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103234.

The product of its digits is 112021056, while the sum is 66.

The square root of 6479779746 is about 80497.0791147107. The cubic root of 6479779746 is about 1864.3183804815.

The spelling of 6479779746 in words is "six billion, four hundred seventy-nine million, seven hundred seventy-nine thousand, seven hundred forty-six".