27278192954 has 16 divisors (see below), whose sum is σ = 43084053600. Its totient is φ = 12917282544.

The previous prime is 27278192873. The next prime is 27278192969. The reversal of 27278192954 is 45929187272.

It is a super-2 number, since 2×27278192954² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27278192954.

It is an unprimeable number.

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, 17132 + ... + 234200.

It is an arithmetic number, because the mean of its divisors is an integer number (2692753350).

Almost surely, 2^27278192954 is an apocalyptic number.

27278192954 is a deficient number, since it is larger than the sum of its proper divisors (15805860646).

27278192954 is a wasteful number, since it uses less digits than its factorization.

27278192954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220397.

The product of its digits is 5080320, while the sum is 56.

The spelling of 27278192954 in words is "twenty-seven billion, two hundred seventy-eight million, one hundred ninety-two thousand, nine hundred fifty-four".