27172455842 has 8 divisors (see below), whose sum is σ = 46581352896. Its totient is φ = 11645338212.

The previous prime is 27172455833. The next prime is 27172455847. The reversal of 27172455842 is 24855427172.

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

It is not an unprimeable number, because it can be changed into a prime (27172455847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970444838 + ... + 970444865.

It is an arithmetic number, because the mean of its divisors is an integer number (5822669112).

Almost surely, 2^27172455842 is an apocalyptic number.

27172455842 is a deficient number, since it is larger than the sum of its proper divisors (19408897054).

27172455842 is a wasteful number, since it uses less digits than its factorization.

27172455842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940889712.

The product of its digits is 1254400, while the sum is 47.

The spelling of 27172455842 in words is "twenty-seven billion, one hundred seventy-two million, four hundred fifty-five thousand, eight hundred forty-two".