5120779 has 4 divisors (see below), whose sum is σ = 5125680. Its totient is φ = 5115880.

The previous prime is 5120737. The next prime is 5120809. The reversal of 5120779 is 9770215.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5120779 - 2⁹ = 5120267 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5120779.

It is not an unprimeable number, because it can be changed into a prime (5120719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184 + ... + 3205.

It is an arithmetic number, because the mean of its divisors is an integer number (1281420).

Almost surely, 2^5120779 is an apocalyptic number.

5120779 is a deficient number, since it is larger than the sum of its proper divisors (4901).

5120779 is a wasteful number, since it uses less digits than its factorization.

5120779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900.

The product of its (nonzero) digits is 4410, while the sum is 31.

The square root of 5120779 is about 2262.9138295569. The cubic root of 5120779 is about 172.3635159292.

The spelling of 5120779 in words is "five million, one hundred twenty thousand, seven hundred seventy-nine".