27726867466 has 8 divisors (see below), whose sum is σ = 43779264480. Its totient is φ = 13133779308.

The previous prime is 27726867463. The next prime is 27726867499. The reversal of 27726867466 is 66476862772.

It is a happy number.

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

It is a super-2 number, since 2×27726867466² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27726867463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364827166 + ... + 364827241.

It is an arithmetic number, because the mean of its divisors is an integer number (5472408060).

Almost surely, 2^27726867466 is an apocalyptic number.

27726867466 is a deficient number, since it is larger than the sum of its proper divisors (16052397014).

27726867466 is a wasteful number, since it uses less digits than its factorization.

27726867466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729654428.

The product of its digits is 56899584, while the sum is 61.

The spelling of 27726867466 in words is "twenty-seven billion, seven hundred twenty-six million, eight hundred sixty-seven thousand, four hundred sixty-six".