52587879669 has 32 divisors (see below), whose sum is σ = 86794041600. Its totient is φ = 31245842880.

The previous prime is 52587879647. The next prime is 52587879689. The reversal of 52587879669 is 96697878525.

52587879669 is a `hidden beast` number, since 525 + 8 + 7 + 8 + 7 + 96 + 6 + 9 = 666.

It is not a de Polignac number, because 52587879669 - 2⁵ = 52587879637 is a prime.

It is a super-2 number, since 2×52587879669² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52587879597 and 52587879606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52587879689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2572977 + ... + 2593334.

It is an arithmetic number, because the mean of its divisors is an integer number (2712313800).

Almost surely, 2^52587879669 is an apocalyptic number.

It is an amenable number.

52587879669 is a deficient number, since it is larger than the sum of its proper divisors (34206161931).

52587879669 is a wasteful number, since it uses less digits than its factorization.

52587879669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166362 (or 5166356 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 72.

The spelling of 52587879669 in words is "fifty-two billion, five hundred eighty-seven million, eight hundred seventy-nine thousand, six hundred sixty-nine".