27894467697 has 8 divisors (see below), whose sum is σ = 39380425056. Its totient is φ = 17502411072.

The previous prime is 27894467687. The next prime is 27894467723. The reversal of 27894467697 is 79676449872.

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

It is not a de Polignac number, because 27894467697 - 2⁷ = 27894467569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27894467687) 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, 273475123 + ... + 273475224.

It is an arithmetic number, because the mean of its divisors is an integer number (4922553132).

Almost surely, 2^27894467697 is an apocalyptic number.

It is an amenable number.

27894467697 is a deficient number, since it is larger than the sum of its proper divisors (11485957359).

27894467697 is a wasteful number, since it uses less digits than its factorization.

27894467697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546950367.

The product of its digits is 256048128, while the sum is 69.

The spelling of 27894467697 in words is "twenty-seven billion, eight hundred ninety-four million, four hundred sixty-seven thousand, six hundred ninety-seven".