5778979458749 has 6 divisors (see below), whose sum is σ = 6722486309214. Its totient is φ = 4953410964600.

The previous prime is 5778979458701. The next prime is 5778979458757. The reversal of 5778979458749 is 9478549798775.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4507256380900 + 1271723077849 = 2123030^2 + 1127707^2 .

It is not a de Polignac number, because 5778979458749 - 2⁸ = 5778979458493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5778979418749) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58969178102 + ... + 58969178199.

It is an arithmetic number, because the mean of its divisors is an integer number (1120414384869).

Almost surely, 2^{5778979458749} is an apocalyptic number.

It is an amenable number.

5778979458749 is a deficient number, since it is larger than the sum of its proper divisors (943506850465).

5778979458749 is a wasteful number, since it uses less digits than its factorization.

5778979458749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117938356315 (or 117938356308 counting only the distinct ones).

The product of its digits is 44808422400, while the sum is 89.

The spelling of 5778979458749 in words is "five trillion, seven hundred seventy-eight billion, nine hundred seventy-nine million, four hundred fifty-eight thousand, seven hundred forty-nine".