27860000755 has 4 divisors (see below), whose sum is σ = 33432000912. Its totient is φ = 22288000600.

The previous prime is 27860000747. The next prime is 27860000821. The reversal of 27860000755 is 55700006872.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27860000755 - 2³ = 27860000747 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2786000071 + ... + 2786000080.

It is an arithmetic number, because the mean of its divisors is an integer number (8358000228).

Almost surely, 2^27860000755 is an apocalyptic number.

27860000755 is a deficient number, since it is larger than the sum of its proper divisors (5572000157).

27860000755 is an equidigital number, since it uses as much as digits as its factorization.

27860000755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572000156.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 27860000755 in words is "twenty-seven billion, eight hundred sixty million, seven hundred fifty-five", and thus it is an aban number.