27773327420 has 96 divisors (see below), whose sum is σ = 60680890368. Its totient is φ = 10670787072.

The previous prime is 27773327401. The next prime is 27773327441. The reversal of 27773327420 is 2472337772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15575849 + ... + 15577631.

It is an arithmetic number, because the mean of its divisors is an integer number (632092608).

Almost surely, 2^27773327420 is an apocalyptic number.

27773327420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27773327420 is an abundant number, since it is smaller than the sum of its proper divisors (32907562948).

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

27773327420 is a wasteful number, since it uses less digits than its factorization.

27773327420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2137 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 44.

The spelling of 27773327420 in words is "twenty-seven billion, seven hundred seventy-three million, three hundred twenty-seven thousand, four hundred twenty".