27910001972 has 12 divisors (see below), whose sum is σ = 49430967936. Its totient is φ = 13786868280.

The previous prime is 27910001929. The next prime is 27910002007.

27910001972 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42032804 + ... + 42033467.

It is an arithmetic number, because the mean of its divisors is an integer number (4119247328).

Almost surely, 2^27910001972 is an apocalyptic number.

It is an amenable number.

27910001972 is a deficient number, since it is larger than the sum of its proper divisors (21520965964).

27910001972 is a wasteful number, since it uses less digits than its factorization.

27910001972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84066358 (or 84066356 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 38.

It can be divided in two parts, 2791000 and 1972, that added together give a palindrome (2792972).

The spelling of 27910001972 in words is "twenty-seven billion, nine hundred ten million, one thousand, nine hundred seventy-two".