27776020605500 has 48 divisors (see below), whose sum is σ = 60667151903904. Its totient is φ = 11109616502400.

The previous prime is 27776020605481. The next prime is 27776020605547. The reversal of 27776020605500 is 550602067772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5069192 + ... + 9013808.

It is an arithmetic number, because the mean of its divisors is an integer number (1263898997998).

Almost surely, 2^{27776020605500} is an apocalyptic number.

27776020605500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27776020605500 is an abundant number, since it is smaller than the sum of its proper divisors (32891131298404).

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

27776020605500 is a wasteful number, since it uses less digits than its factorization.

27776020605500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3958719 (or 3958707 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 47.

The spelling of 27776020605500 in words is "twenty-seven trillion, seven hundred seventy-six billion, twenty million, six hundred five thousand, five hundred".