27900558877 has 8 divisors (see below), whose sum is σ = 28211580000. Its totient is φ = 27591188304.

The previous prime is 27900558869. The next prime is 27900558919. The reversal of 27900558877 is 77885500972.

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

It is a cyclic number.

It is not a de Polignac number, because 27900558877 - 2³ = 27900558869 is a prime.

It is a super-2 number, since 2×27900558877² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27900558277) 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, 378627 + ... + 446272.

It is an arithmetic number, because the mean of its divisors is an integer number (3526447500).

Almost surely, 2^27900558877 is an apocalyptic number.

It is an amenable number.

27900558877 is a deficient number, since it is larger than the sum of its proper divisors (311021123).

27900558877 is a wasteful number, since it uses less digits than its factorization.

27900558877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825275.

The product of its (nonzero) digits is 9878400, while the sum is 58.

The spelling of 27900558877 in words is "twenty-seven billion, nine hundred million, five hundred fifty-eight thousand, eight hundred seventy-seven".