5611972779 has 24 divisors (see below), whose sum is σ = 9270373632. Its totient is φ = 3204707760.

The previous prime is 5611972771. The next prime is 5611972781. The reversal of 5611972779 is 9772791165.

It is a happy number.

5611972779 is a `hidden beast` number, since 561 + 1 + 9 + 7 + 2 + 7 + 79 = 666.

5611972779 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 5611972779 - 2³ = 5611972771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5611972771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68344 + ... + 126074.

It is an arithmetic number, because the mean of its divisors is an integer number (386265568).

Almost surely, 2^5611972779 is an apocalyptic number.

5611972779 is a deficient number, since it is larger than the sum of its proper divisors (3658400853).

5611972779 is a wasteful number, since it uses less digits than its factorization.

5611972779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59287 (or 59284 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 54.

The square root of 5611972779 is about 74913.1015176918. The cubic root of 5611972779 is about 1777.0726595870.

The spelling of 5611972779 in words is "five billion, six hundred eleven million, nine hundred seventy-two thousand, seven hundred seventy-nine".