27773852087 has 4 divisors (see below), whose sum is σ = 28524496776. Its totient is φ = 27023207400.

The previous prime is 27773852083. The next prime is 27773852213. The reversal of 27773852087 is 78025837772.

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

It is a cyclic number.

It is not a de Polignac number, because 27773852087 - 2² = 27773852083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27773852083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375322289 + ... + 375322362.

It is an arithmetic number, because the mean of its divisors is an integer number (7131124194).

Almost surely, 2^27773852087 is an apocalyptic number.

27773852087 is a deficient number, since it is larger than the sum of its proper divisors (750644689).

27773852087 is an equidigital number, since it uses as much as digits as its factorization.

27773852087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750644688.

The product of its (nonzero) digits is 9219840, while the sum is 56.

The spelling of 27773852087 in words is "twenty-seven billion, seven hundred seventy-three million, eight hundred fifty-two thousand, eighty-seven".