65079047 has 16 divisors (see below), whose sum is σ = 75496320. Its totient is φ = 55476000.

The previous prime is 65079031. The next prime is 65079061. The reversal of 65079047 is 74097056.

It is a cyclic number.

It is not a de Polignac number, because 65079047 - 2⁴ = 65079031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65079047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65079017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19568 + ... + 22650.

It is an arithmetic number, because the mean of its divisors is an integer number (4718520).

Almost surely, 2^65079047 is an apocalyptic number.

65079047 is a deficient number, since it is larger than the sum of its proper divisors (10417273).

65079047 is a wasteful number, since it uses less digits than its factorization.

65079047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 65079047 is about 8067.1585456095. The cubic root of 65079047 is about 402.2354976840.

Subtracting 65079047 from its reverse (74097056), we obtain a square (9018009 = 3003²).

It can be divided in two parts, 650 and 79047, that added together give a palindrome (79697).

The spelling of 65079047 in words is "sixty-five million, seventy-nine thousand, forty-seven".