27780550005532 has 24 divisors (see below), whose sum is σ = 50306919259520. Its totient is φ = 13409335572480.

The previous prime is 27780550005529. The next prime is 27780550005583. The reversal of 27780550005532 is 23550005508772.

It is a congruent number.

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, 273832773 + ... + 273934204.

Almost surely, 2^{27780550005532} is an apocalyptic number.

It is an amenable number.

27780550005532 is a deficient number, since it is larger than the sum of its proper divisors (22526369253988).

27780550005532 is a wasteful number, since it uses less digits than its factorization.

27780550005532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547767421 (or 547767419 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 27780550005532 in words is "twenty-seven trillion, seven hundred eighty billion, five hundred fifty million, five thousand, five hundred thirty-two".