5654858779 has 2 divisors, whose sum is σ = 5654858780. Its totient is φ = 5654858778.

The previous prime is 5654858773. The next prime is 5654858809. The reversal of 5654858779 is 9778584565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5654858779 - 2⁵ = 5654858747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5654858779.

It is not a weakly prime, because it can be changed into another prime (5654858773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827429389 + 2827429390.

It is an arithmetic number, because the mean of its divisors is an integer number (2827429390).

Almost surely, 2^5654858779 is an apocalyptic number.

5654858779 is a deficient number, since it is larger than the sum of its proper divisors (1).

5654858779 is an equidigital number, since it uses as much as digits as its factorization.

5654858779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672000, while the sum is 64.

The square root of 5654858779 is about 75198.7950634849. The cubic root of 5654858779 is about 1781.5879003675.

The spelling of 5654858779 in words is "five billion, six hundred fifty-four million, eight hundred fifty-eight thousand, seven hundred seventy-nine".