27253997852 has 24 divisors (see below), whose sum is σ = 48025031712. Its totient is φ = 13532616000.

The previous prime is 27253997807. The next prime is 27253997887. The reversal of 27253997852 is 25879935272.

It is a super-2 number, since 2×27253997852² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27253997791 and 27253997800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3216902 + ... + 3225362.

It is an arithmetic number, because the mean of its divisors is an integer number (2001042988).

Almost surely, 2^27253997852 is an apocalyptic number.

It is an amenable number.

27253997852 is a deficient number, since it is larger than the sum of its proper divisors (20771033860).

27253997852 is a wasteful number, since it uses less digits than its factorization.

27253997852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949 (or 13947 counting only the distinct ones).

The product of its digits is 19051200, while the sum is 59.

The spelling of 27253997852 in words is "twenty-seven billion, two hundred fifty-three million, nine hundred ninety-seven thousand, eight hundred fifty-two".