27885858872 has 8 divisors (see below), whose sum is σ = 52285985400. Its totient is φ = 13942929432.

The previous prime is 27885858827. The next prime is 27885858887.

27885858872 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×27885858872² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742866172 + ... + 1742866187.

It is an arithmetic number, because the mean of its divisors is an integer number (6535748175).

Almost surely, 2^27885858872 is an apocalyptic number.

It is an amenable number.

27885858872 is a deficient number, since it is larger than the sum of its proper divisors (24400126528).

27885858872 is a wasteful number, since it uses less digits than its factorization.

27885858872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485732365 (or 3485732361 counting only the distinct ones).

The product of its digits is 160563200, while the sum is 68.

The spelling of 27885858872 in words is "twenty-seven billion, eight hundred eighty-five million, eight hundred fifty-eight thousand, eight hundred seventy-two".