65227996539 has 24 divisors (see below), whose sum is σ = 94765235760. Its totient is φ = 43233426432.

The previous prime is 65227996513. The next prime is 65227996543. The reversal of 65227996539 is 93569972256.

65227996539 is a `hidden beast` number, since 6 + 5 + 2 + 2 + 7 + 9 + 96 + 539 = 666.

It is not a de Polignac number, because 65227996539 - 2¹⁷ = 65227865467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65227996139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1388172 + ... + 1434390.

It is an arithmetic number, because the mean of its divisors is an integer number (3948551490).

Almost surely, 2^65227996539 is an apocalyptic number.

65227996539 is a deficient number, since it is larger than the sum of its proper divisors (29537239221).

65227996539 is a wasteful number, since it uses less digits than its factorization.

65227996539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47131 (or 47128 counting only the distinct ones).

The product of its digits is 55112400, while the sum is 63.

The spelling of 65227996539 in words is "sixty-five billion, two hundred twenty-seven million, nine hundred ninety-six thousand, five hundred thirty-nine".