27557575075 has 24 divisors (see below), whose sum is σ = 34575733440. Its totient is φ = 21785491200.

The previous prime is 27557575027. The next prime is 27557575079. The reversal of 27557575075 is 57057575572.

It is not a de Polignac number, because 27557575075 - 2¹⁷ = 27557444003 is a prime.

It is a super-2 number, since 2×27557575075² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27557575079) 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 23 ways as a sum of consecutive naturals, for example, 5940657 + ... + 5945293.

It is an arithmetic number, because the mean of its divisors is an integer number (1440655560).

Almost surely, 2^27557575075 is an apocalyptic number.

27557575075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

27557575075 is a deficient number, since it is larger than the sum of its proper divisors (7018158365).

27557575075 is a wasteful number, since it uses less digits than its factorization.

27557575075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7407 (or 7402 counting only the distinct ones).

The product of its (nonzero) digits is 15006250, while the sum is 55.

The spelling of 27557575075 in words is "twenty-seven billion, five hundred fifty-seven million, five hundred seventy-five thousand, seventy-five".