27780792766230 has 128 divisors (see below), whose sum is σ = 76760995424256. Its totient is φ = 6303210854400.

The previous prime is 27780792766229. The next prime is 27780792766277. The reversal of 27780792766230 is 3266729708772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14857204 + ... + 16622216.

It is an arithmetic number, because the mean of its divisors is an integer number (599695276752).

Almost surely, 2^{27780792766230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27780792766230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38380497712128).

27780792766230 is an abundant number, since it is smaller than the sum of its proper divisors (48980202658026).

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

27780792766230 is a wasteful number, since it uses less digits than its factorization.

27780792766230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765582.

The product of its (nonzero) digits is 149361408, while the sum is 66.

The spelling of 27780792766230 in words is "twenty-seven trillion, seven hundred eighty billion, seven hundred ninety-two million, seven hundred sixty-six thousand, two hundred thirty".