27768851452 has 6 divisors (see below), whose sum is σ = 48595490048. Its totient is φ = 13884425724.

The previous prime is 27768851437. The next prime is 27768851483. The reversal of 27768851452 is 25415886772.

It is a super-2 number, since 2×27768851452² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27768851393 and 27768851402.

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, 3471106428 + ... + 3471106435.

Almost surely, 2^27768851452 is an apocalyptic number.

It is an amenable number.

27768851452 is a deficient number, since it is larger than the sum of its proper divisors (20826638596).

27768851452 is a wasteful number, since it uses less digits than its factorization.

27768851452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6942212867 (or 6942212865 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 55.

The spelling of 27768851452 in words is "twenty-seven billion, seven hundred sixty-eight million, eight hundred fifty-one thousand, four hundred fifty-two".