27876638877 has 8 divisors (see below), whose sum is σ = 37616669664. Its totient is φ = 18360517008.

The previous prime is 27876638873. The next prime is 27876638887. The reversal of 27876638877 is 77883667872.

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

It is not a de Polignac number, because 27876638877 - 2² = 27876638873 is a prime.

It is a super-2 number, since 2×27876638877² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27876638873) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 55976938 + ... + 55977435.

It is an arithmetic number, because the mean of its divisors is an integer number (4702083708).

Almost surely, 2^27876638877 is an apocalyptic number.

It is an amenable number.

27876638877 is a deficient number, since it is larger than the sum of its proper divisors (9740030787).

27876638877 is a wasteful number, since it uses less digits than its factorization.

27876638877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111954459.

The product of its digits is 265531392, while the sum is 69.

The spelling of 27876638877 in words is "twenty-seven billion, eight hundred seventy-six million, six hundred thirty-eight thousand, eight hundred seventy-seven".