27099887256045 has 48 divisors (see below), whose sum is σ = 47440108889472. Its totient is φ = 14309654451840.

The previous prime is 27099887255977. The next prime is 27099887256049. The reversal of 27099887256045 is 54065278899072.

27099887256045 is a `hidden beast` number, since 2 + 7 + 0 + 9 + 9 + 8 + 8 + 7 + 2 + 5 + 604 + 5 = 666.

It is not a de Polignac number, because 27099887256045 - 2¹⁸ = 27099886993901 is a prime.

It is a super-3 number, since 3×27099887256045³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27099887256049) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19523730 + ... + 20865660.

It is an arithmetic number, because the mean of its divisors is an integer number (988335601864).

Almost surely, 2^{27099887256045} is an apocalyptic number.

It is an amenable number.

27099887256045 is a deficient number, since it is larger than the sum of its proper divisors (20340221633427).

27099887256045 is a wasteful number, since it uses less digits than its factorization.

27099887256045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346402 (or 1346399 counting only the distinct ones).

The product of its (nonzero) digits is 609638400, while the sum is 72.

The spelling of 27099887256045 in words is "twenty-seven trillion, ninety-nine billion, eight hundred eighty-seven million, two hundred fifty-six thousand, forty-five".