27420097876 has 6 divisors (see below), whose sum is σ = 47985171290. Its totient is φ = 13710048936.

The previous prime is 27420097853. The next prime is 27420097921. The reversal of 27420097876 is 67879002472.

It can be written as a sum of positive squares in only one way, i.e., 24672241476 + 2747856400 = 157074^2 + 52420^2 .

It is a super-2 number, since 2×27420097876² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3427512231 + ... + 3427512238.

Almost surely, 2^27420097876 is an apocalyptic number.

It is an amenable number.

27420097876 is a deficient number, since it is larger than the sum of its proper divisors (20565073414).

27420097876 is a wasteful number, since it uses less digits than its factorization.

27420097876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6855024473 (or 6855024471 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 52.

The spelling of 27420097876 in words is "twenty-seven billion, four hundred twenty million, ninety-seven thousand, eight hundred seventy-six".