27150320872 has 32 divisors (see below), whose sum is σ = 52423093800. Its totient is φ = 13172799744.

The previous prime is 27150320863. The next prime is 27150320881. The reversal of 27150320872 is 27802305172.

It is an interprime number because it is at equal distance from previous prime (27150320863) and next prime (27150320881).

It can be written as a sum of positive squares in 4 ways, for example, as 25190133796 + 1960187076 = 158714^2 + 44274^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12547 + ... + 233362.

Almost surely, 2^27150320872 is an apocalyptic number.

It is an amenable number.

27150320872 is a deficient number, since it is larger than the sum of its proper divisors (25272772928).

27150320872 is a wasteful number, since it uses less digits than its factorization.

27150320872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246325 (or 246321 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 27150320872 in words is "twenty-seven billion, one hundred fifty million, three hundred twenty thousand, eight hundred seventy-two".