65479239 has 48 divisors (see below), whose sum is σ = 115568640. Its totient is φ = 36514800.

The previous prime is 65479217. The next prime is 65479241. The reversal of 65479239 is 93297456.

It is a happy number.

It is not a de Polignac number, because 65479239 - 2⁵ = 65479207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65479194 and 65479203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65479259) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56314 + ... + 57464.

It is an arithmetic number, because the mean of its divisors is an integer number (2407680).

Almost surely, 2^65479239 is an apocalyptic number.

65479239 is a deficient number, since it is larger than the sum of its proper divisors (50089401).

65479239 is a wasteful number, since it uses less digits than its factorization.

65479239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1204 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 65479239 is about 8091.9243076045. The cubic root of 65479239 is about 403.0583052454.

The spelling of 65479239 in words is "sixty-five million, four hundred seventy-nine thousand, two hundred thirty-nine".