27968006870 has 32 divisors (see below), whose sum is σ = 53758321920. Its totient is φ = 10453000320.

The previous prime is 27968006851. The next prime is 27968006873. The reversal of 27968006870 is 7860086972.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27968006873) 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 15 ways as a sum of consecutive naturals, for example, 1546517 + ... + 1564496.

It is an arithmetic number, because the mean of its divisors is an integer number (1679947560).

Almost surely, 2^27968006870 is an apocalyptic number.

27968006870 is a deficient number, since it is larger than the sum of its proper divisors (25790315050).

27968006870 is a wasteful number, since it uses less digits than its factorization.

27968006870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3111080.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 27968006870 in words is "twenty-seven billion, nine hundred sixty-eight million, six thousand, eight hundred seventy".