5479779745 has 32 divisors (see below), whose sum is σ = 7670837376. Its totient is φ = 3713664000.

The previous prime is 5479779731. The next prime is 5479779749.

It is a happy number.

5479779745 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5479779745 - 2²⁵ = 5446225313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5479779749) 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 31 ways as a sum of consecutive naturals, for example, 65422 + ... + 123448.

It is an arithmetic number, because the mean of its divisors is an integer number (239713668).

Almost surely, 2^5479779745 is an apocalyptic number.

5479779745 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5479779745 is a deficient number, since it is larger than the sum of its proper divisors (2191057631).

5479779745 is a wasteful number, since it uses less digits than its factorization.

5479779745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58161.

The product of its digits is 77792400, while the sum is 64.

The square root of 5479779745 is about 74025.5344121203. The cubic root of 5479779745 is about 1763.0083433507.

The spelling of 5479779745 in words is "five billion, four hundred seventy-nine million, seven hundred seventy-nine thousand, seven hundred forty-five".