27773140782 has 32 divisors (see below), whose sum is σ = 56592950400. Its totient is φ = 9084766880.

The previous prime is 27773140751. The next prime is 27773140789. The reversal of 27773140782 is 28704137772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27773140789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112944 + ... + 261347.

It is an arithmetic number, because the mean of its divisors is an integer number (1768529700).

Almost surely, 2^27773140782 is an apocalyptic number.

27773140782 is an abundant number, since it is smaller than the sum of its proper divisors (28819809618).

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

27773140782 is a wasteful number, since it uses less digits than its factorization.

27773140782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374528.

The product of its (nonzero) digits is 921984, while the sum is 48.

The spelling of 27773140782 in words is "twenty-seven billion, seven hundred seventy-three million, one hundred forty thousand, seven hundred eighty-two".