27580783252 has 48 divisors (see below), whose sum is σ = 54180403200. Its totient is φ = 12176609760.

The previous prime is 27580783171. The next prime is 27580783253. The reversal of 27580783252 is 25238708572.

It is a junction number, because it is equal to n+sod(n) for n = 27580783196 and 27580783205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27580783253) by changing a digit.

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, 297949 + ... + 379387.

It is an arithmetic number, because the mean of its divisors is an integer number (1128758400).

Almost surely, 2^27580783252 is an apocalyptic number.

27580783252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27580783252 is a deficient number, since it is larger than the sum of its proper divisors (26599619948).

27580783252 is a wasteful number, since it uses less digits than its factorization.

27580783252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81676 (or 81674 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 27580783252 in words is "twenty-seven billion, five hundred eighty million, seven hundred eighty-three thousand, two hundred fifty-two".