27071754747 has 8 divisors (see below), whose sum is σ = 36634414656. Its totient is φ = 17778465672.

The previous prime is 27071754643. The next prime is 27071754757. The reversal of 27071754747 is 74745717072.

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

It is not a de Polignac number, because 27071754747 - 2¹⁵ = 27071721979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27071754747.

It is not an unprimeable number, because it can be changed into a prime (27071754757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67342473 + ... + 67342874.

It is an arithmetic number, because the mean of its divisors is an integer number (4579301832).

Almost surely, 2^27071754747 is an apocalyptic number.

27071754747 is a deficient number, since it is larger than the sum of its proper divisors (9562659909).

27071754747 is a wasteful number, since it uses less digits than its factorization.

27071754747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134685417.

The product of its (nonzero) digits is 2689120, while the sum is 51.

The spelling of 27071754747 in words is "twenty-seven billion, seventy-one million, seven hundred fifty-four thousand, seven hundred forty-seven".