65424879 has 48 divisors (see below), whose sum is σ = 105618240. Its totient is φ = 38776320.

The previous prime is 65424869. The next prime is 65424881. The reversal of 65424879 is 97842456.

It is a happy number.

It is not a de Polignac number, because 65424879 - 2⁹ = 65424367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65424839) 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, 635142 + ... + 635244.

It is an arithmetic number, because the mean of its divisors is an integer number (2200380).

Almost surely, 2^65424879 is an apocalyptic number.

65424879 is a deficient number, since it is larger than the sum of its proper divisors (40193361).

65424879 is a wasteful number, since it uses less digits than its factorization.

65424879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 269 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 65424879 is about 8088.5647058054. The cubic root of 65424879 is about 402.9467364703.

The spelling of 65424879 in words is "sixty-five million, four hundred twenty-four thousand, eight hundred seventy-nine".