27752869518 has 24 divisors (see below), whose sum is σ = 61010442024. Its totient is φ = 8409960240.

The previous prime is 27752869493. The next prime is 27752869519. The reversal of 27752869518 is 81596825772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27752869519) 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 11 ways as a sum of consecutive naturals, for example, 19112821 + ... + 19114272.

It is an arithmetic number, because the mean of its divisors is an integer number (2542101751).

Almost surely, 2^27752869518 is an apocalyptic number.

27752869518 is an abundant number, since it is smaller than the sum of its proper divisors (33257572506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27752869518 is a wasteful number, since it uses less digits than its factorization.

27752869518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38227120 (or 38227109 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 60.

The spelling of 27752869518 in words is "twenty-seven billion, seven hundred fifty-two million, eight hundred sixty-nine thousand, five hundred eighteen".