27800183380 has 24 divisors (see below), whose sum is σ = 58409271648. Its totient is φ = 11114571168.

The previous prime is 27800183357. The next prime is 27800183381. The reversal of 27800183380 is 8338100872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27800183381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302334 + ... + 383413.

It is an arithmetic number, because the mean of its divisors is an integer number (2433719652).

Almost surely, 2^27800183380 is an apocalyptic number.

27800183380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27800183380 is an abundant number, since it is smaller than the sum of its proper divisors (30609088268).

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

27800183380 is a wasteful number, since it uses less digits than its factorization.

27800183380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687783 (or 687781 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 27800183380 in words is "twenty-seven billion, eight hundred million, one hundred eighty-three thousand, three hundred eighty".