65065879 has 8 divisors (see below), whose sum is σ = 67415760. Its totient is φ = 62723136.

The previous prime is 65065877. The next prime is 65065883. The reversal of 65065879 is 97856056.

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

It is a cyclic number.

It is not a de Polignac number, because 65065879 - 2¹ = 65065877 is a prime.

It is a super-2 number, since 2×65065879² = 8467137220085282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65065877) 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, 22627 + ... + 25339.

It is an arithmetic number, because the mean of its divisors is an integer number (8426970).

Almost surely, 2^65065879 is an apocalyptic number.

65065879 is a deficient number, since it is larger than the sum of its proper divisors (2349881).

65065879 is a wasteful number, since it uses less digits than its factorization.

65065879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 65065879 is about 8066.3423557397. The cubic root of 65065879 is about 402.2083666050.

The spelling of 65065879 in words is "sixty-five million, sixty-five thousand, eight hundred seventy-nine".