27953057795 has 16 divisors (see below), whose sum is σ = 36133769952. Its totient is φ = 20636647680.

The previous prime is 27953057791. The next prime is 27953057801. The reversal of 27953057795 is 59775035972.

It is a happy number.

It is not a de Polignac number, because 27953057795 - 2² = 27953057791 is a prime.

It is a super-2 number, since 2×27953057795² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27953057791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190655 + ... + 303735.

It is an arithmetic number, because the mean of its divisors is an integer number (2258360622).

Almost surely, 2^27953057795 is an apocalyptic number.

27953057795 is a deficient number, since it is larger than the sum of its proper divisors (8180712157).

27953057795 is a wasteful number, since it uses less digits than its factorization.

27953057795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116902.

The product of its (nonzero) digits is 20837250, while the sum is 59.

The spelling of 27953057795 in words is "twenty-seven billion, nine hundred fifty-three million, fifty-seven thousand, seven hundred ninety-five".