27773820426 has 48 divisors (see below), whose sum is σ = 61649445312. Its totient is φ = 8334575040.

The previous prime is 27773820343. The next prime is 27773820427. The reversal of 27773820426 is 62402837772.

It is not an unprimeable number, because it can be changed into a prime (27773820427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110931 + ... + 260486.

It is an arithmetic number, because the mean of its divisors is an integer number (1284363444).

Almost surely, 2^27773820426 is an apocalyptic number.

27773820426 is an abundant number, since it is smaller than the sum of its proper divisors (33875624886).

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

27773820426 is a wasteful number, since it uses less digits than its factorization.

27773820426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371547 (or 371536 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 48.

The spelling of 27773820426 in words is "twenty-seven billion, seven hundred seventy-three million, eight hundred twenty thousand, four hundred twenty-six".