27487217152 has 20 divisors (see below), whose sum is σ = 54920749356. Its totient is φ = 13743608320.

The previous prime is 27487217111. The next prime is 27487217209. The reversal of 27487217152 is 25171278472.

It is a super-2 number, since 2×27487217152² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 26842474 + ... + 26843497.

Almost surely, 2^27487217152 is an apocalyptic number.

It is an amenable number.

27487217152 is a deficient number, since it is larger than the sum of its proper divisors (27433532204).

27487217152 is an frugal number, since it uses more digits than its factorization.

27487217152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53685989 (or 53685973 counting only the distinct ones).

The product of its digits is 439040, while the sum is 46.

The spelling of 27487217152 in words is "twenty-seven billion, four hundred eighty-seven million, two hundred seventeen thousand, one hundred fifty-two".