27805502532 has 24 divisors (see below), whose sum is σ = 68695947936. Its totient is φ = 8723294848.

The previous prime is 27805502513. The next prime is 27805502579. The reversal of 27805502532 is 23520550872.

It is a super-2 number, since 2×27805502532² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68150538 + ... + 68150945.

It is an arithmetic number, because the mean of its divisors is an integer number (2862331164).

Almost surely, 2^27805502532 is an apocalyptic number.

It is an amenable number.

27805502532 is an abundant number, since it is smaller than the sum of its proper divisors (40890445404).

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

27805502532 is a wasteful number, since it uses less digits than its factorization.

27805502532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136301507 (or 136301505 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 27805502532 in words is "twenty-seven billion, eight hundred five million, five hundred two thousand, five hundred thirty-two".