27747871054 has 16 divisors (see below), whose sum is σ = 43816369680. Its totient is φ = 13142545920.

The previous prime is 27747871033. The next prime is 27747871093. The reversal of 27747871054 is 45017874772.

It is a super-2 number, since 2×27747871054² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27747870992 and 27747871010.

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, 512814 + ... + 564334.

It is an arithmetic number, because the mean of its divisors is an integer number (2738523105).

Almost surely, 2^27747871054 is an apocalyptic number.

27747871054 is a deficient number, since it is larger than the sum of its proper divisors (16068498626).

27747871054 is a wasteful number, since it uses less digits than its factorization.

27747871054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65715.

The product of its (nonzero) digits is 3073280, while the sum is 52.

The spelling of 27747871054 in words is "twenty-seven billion, seven hundred forty-seven million, eight hundred seventy-one thousand, fifty-four".