27761338558 has 16 divisors (see below), whose sum is σ = 44576640000. Its totient is φ = 12927223512.

The previous prime is 27761338547. The next prime is 27761338607. The reversal of 27761338558 is 85583316772.

It is a junction number, because it is equal to n+sod(n) for n = 27761338499 and 27761338508.

It is a congruent number.

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, 6188958 + ... + 6193441.

It is an arithmetic number, because the mean of its divisors is an integer number (2786040000).

Almost surely, 2^27761338558 is an apocalyptic number.

27761338558 is a deficient number, since it is larger than the sum of its proper divisors (16815301442).

27761338558 is a wasteful number, since it uses less digits than its factorization.

27761338558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12382479.

The product of its digits is 8467200, while the sum is 55.

The spelling of 27761338558 in words is "twenty-seven billion, seven hundred sixty-one million, three hundred thirty-eight thousand, five hundred fifty-eight".