27641852988 has 48 divisors (see below), whose sum is σ = 65746943136. Its totient is φ = 9035653120.

The previous prime is 27641852951. The next prime is 27641853007. The reversal of 27641852988 is 88925814672.

It is a super-2 number, since 2×27641852988² (a number of 22 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1436068 + ... + 1455188.

It is an arithmetic number, because the mean of its divisors is an integer number (1369727982).

Almost surely, 2^27641852988 is an apocalyptic number.

It is an amenable number.

27641852988 is an abundant number, since it is smaller than the sum of its proper divisors (38105090148).

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

27641852988 is a wasteful number, since it uses less digits than its factorization.

27641852988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21454 (or 21452 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 60.

The spelling of 27641852988 in words is "twenty-seven billion, six hundred forty-one million, eight hundred fifty-two thousand, nine hundred eighty-eight".