27406877545 has 8 divisors (see below), whose sum is σ = 32889295296. Its totient is φ = 21924807216.

The previous prime is 27406877527. The next prime is 27406877557. The reversal of 27406877545 is 54577860472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27406877545 - 2¹⁹ = 27406353257 is a prime.

It is a super-2 number, since 2×27406877545² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141084 + ... + 273346.

It is an arithmetic number, because the mean of its divisors is an integer number (4111161912).

Almost surely, 2^27406877545 is an apocalyptic number.

It is an amenable number.

27406877545 is a deficient number, since it is larger than the sum of its proper divisors (5482417751).

27406877545 is a wasteful number, since it uses less digits than its factorization.

27406877545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173711.

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 27406877545 in words is "twenty-seven billion, four hundred six million, eight hundred seventy-seven thousand, five hundred forty-five".