27879128803 has 8 divisors (see below), whose sum is σ = 28355594400. Its totient is φ = 27406521600.

The previous prime is 27879128737. The next prime is 27879128821. The reversal of 27879128803 is 30882197872.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27879128803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27879128843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 950023 + ... + 978928.

It is an arithmetic number, because the mean of its divisors is an integer number (3544449300).

Almost surely, 2^27879128803 is an apocalyptic number.

27879128803 is a deficient number, since it is larger than the sum of its proper divisors (476465597).

27879128803 is a wasteful number, since it uses less digits than its factorization.

27879128803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1929197.

The product of its (nonzero) digits is 2709504, while the sum is 55.

The spelling of 27879128803 in words is "twenty-seven billion, eight hundred seventy-nine million, one hundred twenty-eight thousand, eight hundred three".