27847874872 has 64 divisors (see below), whose sum is σ = 53794160640. Its totient is φ = 13508544000.

The previous prime is 27847874869. The next prime is 27847874881.

27847874872 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×27847874872³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28797733 + ... + 28798699.

It is an arithmetic number, because the mean of its divisors is an integer number (840533760).

Almost surely, 2^27847874872 is an apocalyptic number.

It is an amenable number.

27847874872 is a deficient number, since it is larger than the sum of its proper divisors (25946285768).

27847874872 is a wasteful number, since it uses less digits than its factorization.

27847874872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612 (or 1608 counting only the distinct ones).

The product of its digits is 78675968, while the sum is 64.

It can be divided in two parts, 278478 and 74872, that multiplied together give a square (20850204816 = 144396²).

The spelling of 27847874872 in words is "twenty-seven billion, eight hundred forty-seven million, eight hundred seventy-four thousand, eight hundred seventy-two".