5665127279 has 8 divisors (see below), whose sum is σ = 6580569888. Its totient is φ = 4776219360.

The previous prime is 5665127233. The next prime is 5665127323. The reversal of 5665127279 is 9727215665.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5665127279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665127219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6633212 + ... + 6634065.

It is an arithmetic number, because the mean of its divisors is an integer number (822571236).

Almost surely, 2^5665127279 is an apocalyptic number.

5665127279 is a deficient number, since it is larger than the sum of its proper divisors (915442609).

5665127279 is a wasteful number, since it uses less digits than its factorization.

5665127279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13267345.

The product of its digits is 1587600, while the sum is 50.

The square root of 5665127279 is about 75267.0397916645. The cubic root of 5665127279 is about 1782.6656268499.

The spelling of 5665127279 in words is "five billion, six hundred sixty-five million, one hundred twenty-seven thousand, two hundred seventy-nine".