5618779 has 4 divisors (see below), whose sum is σ = 5812560. Its totient is φ = 5425000.

The previous prime is 5618777. The next prime is 5618819. The reversal of 5618779 is 9778165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9778165 = 5 ⋅1955633.

It is a cyclic number.

It is not a de Polignac number, because 5618779 - 2¹ = 5618777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618777) 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, 96847 + ... + 96904.

It is an arithmetic number, because the mean of its divisors is an integer number (1453140).

Almost surely, 2^5618779 is an apocalyptic number.

5618779 is a deficient number, since it is larger than the sum of its proper divisors (193781).

5618779 is a wasteful number, since it uses less digits than its factorization.

5618779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193780.

The product of its digits is 105840, while the sum is 43.

The square root of 5618779 is about 2370.3963803550. The cubic root of 5618779 is about 177.7790782746.

The spelling of 5618779 in words is "five million, six hundred eighteen thousand, seven hundred seventy-nine".