27888979961058 has 16 divisors (see below), whose sum is σ = 58713642023520. Its totient is φ = 8807046303456.

The previous prime is 27888979961033. The next prime is 27888979961071. The reversal of 27888979961058 is 85016997988872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122320087435 + ... + 122320087662.

It is an arithmetic number, because the mean of its divisors is an integer number (3669602626470).

Almost surely, 2^{27888979961058} is an apocalyptic number.

27888979961058 is an abundant number, since it is smaller than the sum of its proper divisors (30824662062462).

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

27888979961058 is a wasteful number, since it uses less digits than its factorization.

27888979961058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244640175121.

The product of its (nonzero) digits is 8778792960, while the sum is 87.

The spelling of 27888979961058 in words is "twenty-seven trillion, eight hundred eighty-eight billion, nine hundred seventy-nine million, nine hundred sixty-one thousand, fifty-eight".