5665770278 has 16 divisors (see below), whose sum is σ = 9896009760. Its totient is φ = 2382372096.

The previous prime is 5665770259. The next prime is 5665770289. The reversal of 5665770278 is 8720775665.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817163 + ... + 3818646.

It is an arithmetic number, because the mean of its divisors is an integer number (618500610).

Almost surely, 2^5665770278 is an apocalyptic number.

5665770278 is a deficient number, since it is larger than the sum of its proper divisors (4230239482).

5665770278 is a wasteful number, since it uses less digits than its factorization.

5665770278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7635871.

The product of its (nonzero) digits is 4939200, while the sum is 53.

The square root of 5665770278 is about 75271.3111218345. The cubic root of 5665770278 is about 1782.7330692212.

The spelling of 5665770278 in words is "five billion, six hundred sixty-five million, seven hundred seventy thousand, two hundred seventy-eight".