27740575451 has 8 divisors (see below), whose sum is σ = 28060525440. Its totient is φ = 27420809152.

The previous prime is 27740575393. The next prime is 27740575487. The reversal of 27740575451 is 15457504772.

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 27740575451 - 2²² = 27736381147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27740575396 and 27740575405.

It is not an unprimeable number, because it can be changed into a prime (27740575351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270326 + ... + 358548.

It is an arithmetic number, because the mean of its divisors is an integer number (3507565680).

Almost surely, 2^27740575451 is an apocalyptic number.

27740575451 is a deficient number, since it is larger than the sum of its proper divisors (319949989).

27740575451 is an equidigital number, since it uses as much as digits as its factorization.

27740575451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91845.

The product of its (nonzero) digits is 1372000, while the sum is 47.

The spelling of 27740575451 in words is "twenty-seven billion, seven hundred forty million, five hundred seventy-five thousand, four hundred fifty-one".