27807955622 has 4 divisors (see below), whose sum is σ = 41711933436. Its totient is φ = 13903977810.

The previous prime is 27807955621. The next prime is 27807955739. The reversal of 27807955622 is 22655970872.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27807955621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951988904 + ... + 6951988907.

It is an arithmetic number, because the mean of its divisors is an integer number (10427983359).

Almost surely, 2^27807955622 is an apocalyptic number.

27807955622 is a deficient number, since it is larger than the sum of its proper divisors (13903977814).

27807955622 is a wasteful number, since it uses less digits than its factorization.

27807955622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13903977813.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 27807955622 in words is "twenty-seven billion, eight hundred seven million, nine hundred fifty-five thousand, six hundred twenty-two".