27722797530 has 16 divisors (see below), whose sum is σ = 66534714144. Its totient is φ = 7392746000.

The previous prime is 27722797519. The next prime is 27722797537. The reversal of 27722797530 is 3579722772.

It is not an unprimeable number, because it can be changed into a prime (27722797537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462046596 + ... + 462046655.

It is an arithmetic number, because the mean of its divisors is an integer number (4158419634).

Almost surely, 2^27722797530 is an apocalyptic number.

27722797530 is an abundant number, since it is smaller than the sum of its proper divisors (38811916614).

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

27722797530 is a wasteful number, since it uses less digits than its factorization.

27722797530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924093261.

The product of its (nonzero) digits is 2593080, while the sum is 51.

The spelling of 27722797530 in words is "twenty-seven billion, seven hundred twenty-two million, seven hundred ninety-seven thousand, five hundred thirty".