27777675500 has 24 divisors (see below), whose sum is σ = 60666444384. Its totient is φ = 11111070000.

The previous prime is 27777675473. The next prime is 27777675517. The reversal of 27777675500 is 557677772.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 27777176 + ... + 27778175.

It is an arithmetic number, because the mean of its divisors is an integer number (2527768516).

Almost surely, 2^27777675500 is an apocalyptic number.

27777675500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27777675500 is an abundant number, since it is smaller than the sum of its proper divisors (32888768884).

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

27777675500 is a wasteful number, since it uses less digits than its factorization.

27777675500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55555370 (or 55555358 counting only the distinct ones).

The product of its (nonzero) digits is 5042100, while the sum is 53.

The spelling of 27777675500 in words is "twenty-seven billion, seven hundred seventy-seven million, six hundred seventy-five thousand, five hundred".