27468505667 has 8 divisors (see below), whose sum is σ = 29091807072. Its totient is φ = 25846038400.

The previous prime is 27468505661. The next prime is 27468505717. The reversal of 27468505667 is 76650586472.

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

It is not a de Polignac number, because 27468505667 - 2²² = 27464311363 is a prime.

It is a super-2 number, since 2×27468505667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27468505661) 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, 140084 + ... + 273057.

It is an arithmetic number, because the mean of its divisors is an integer number (3636475884).

Almost surely, 2^27468505667 is an apocalyptic number.

27468505667 is a deficient number, since it is larger than the sum of its proper divisors (1623301405).

27468505667 is a wasteful number, since it uses less digits than its factorization.

27468505667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417069.

The product of its (nonzero) digits is 16934400, while the sum is 56.

The spelling of 27468505667 in words is "twenty-seven billion, four hundred sixty-eight million, five hundred five thousand, six hundred sixty-seven".