2127754995978 has 8 divisors (see below), whose sum is σ = 4255509991968. Its totient is φ = 709251665324.

The previous prime is 2127754995943. The next prime is 2127754996021. The reversal of 2127754995978 is 8795994577212.

It is a sphenic number, since it is the product of 3 distinct primes.

2127754995978 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177312916326 + ... + 177312916337.

It is an arithmetic number, because the mean of its divisors is an integer number (531938748996).

Almost surely, 2^{2127754995978} is an apocalyptic number.

2127754995978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2127754995978 is a wasteful number, since it uses less digits than its factorization.

2127754995978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354625832668.

The product of its digits is 800150400, while the sum is 75.

The spelling of 2127754995978 in words is "two trillion, one hundred twenty-seven billion, seven hundred fifty-four million, nine hundred ninety-five thousand, nine hundred seventy-eight".