27672497988 has 24 divisors (see below), whose sum is σ = 65627674560. Its totient is φ = 9072949920.

The previous prime is 27672497981. The next prime is 27672497989. The reversal of 27672497988 is 88979427672.

It is not an unprimeable number, because it can be changed into a prime (27672497981) 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 7 ways as a sum of consecutive naturals, for example, 18901248 + ... + 18902711.

It is an arithmetic number, because the mean of its divisors is an integer number (2734486440).

Almost surely, 2^27672497988 is an apocalyptic number.

It is an amenable number.

27672497988 is an abundant number, since it is smaller than the sum of its proper divisors (37955176572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27672497988 is a wasteful number, since it uses less digits than its factorization.

27672497988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37804027 (or 37804025 counting only the distinct ones).

The product of its digits is 170698752, while the sum is 69.

The spelling of 27672497988 in words is "twenty-seven billion, six hundred seventy-two million, four hundred ninety-seven thousand, nine hundred eighty-eight".