27832472551 has 4 divisors (see below), whose sum is σ = 29973431992. Its totient is φ = 25691513112.

The previous prime is 27832472543. The next prime is 27832472567. The reversal of 27832472551 is 15527423872.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27832472551 - 2³ = 27832472543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27832478551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070479701 + ... + 1070479726.

It is an arithmetic number, because the mean of its divisors is an integer number (7493357998).

Almost surely, 2^27832472551 is an apocalyptic number.

27832472551 is a deficient number, since it is larger than the sum of its proper divisors (2140959441).

27832472551 is a wasteful number, since it uses less digits than its factorization.

27832472551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140959440.

The product of its digits is 940800, while the sum is 46.

The spelling of 27832472551 in words is "twenty-seven billion, eight hundred thirty-two million, four hundred seventy-two thousand, five hundred fifty-one".