27688045338170 has 32 divisors (see below), whose sum is σ = 56960798178816. Its totient is φ = 9492621868800.

The previous prime is 27688045338169. The next prime is 27688045338199. The reversal of 27688045338170 is 7183354088672.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7209791 + ... + 10361330.

It is an arithmetic number, because the mean of its divisors is an integer number (1780024943088).

Almost surely, 2^{27688045338170} is an apocalyptic number.

27688045338170 is an abundant number, since it is smaller than the sum of its proper divisors (29272752840646).

27688045338170 is a wasteful number, since it uses less digits than its factorization.

27688045338170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17593646.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 27688045338170 in words is "twenty-seven trillion, six hundred eighty-eight billion, forty-five million, three hundred thirty-eight thousand, one hundred seventy".