65541234879 has 6 divisors (see below), whose sum is σ = 94670672616. Its totient is φ = 43694156580.

The previous prime is 65541234877. The next prime is 65541234911. The reversal of 65541234879 is 97843214556.

It is a happy number.

65541234879 is a `hidden beast` number, since 6 + 5 + 541 + 23 + 4 + 8 + 79 = 666.

It is not a de Polignac number, because 65541234879 - 2¹ = 65541234877 is a prime.

It is a super-2 number, since 2×65541234879² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65541234877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3641179707 + ... + 3641179724.

It is an arithmetic number, because the mean of its divisors is an integer number (15778445436).

Almost surely, 2^65541234879 is an apocalyptic number.

65541234879 is a deficient number, since it is larger than the sum of its proper divisors (29129437737).

65541234879 is a wasteful number, since it uses less digits than its factorization.

65541234879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7282359437 (or 7282359434 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 65541234879 in words is "sixty-five billion, five hundred forty-one million, two hundred thirty-four thousand, eight hundred seventy-nine".