27802640755 has 8 divisors (see below), whose sum is σ = 33365938752. Its totient is φ = 22240266048.

The previous prime is 27802640717. The next prime is 27802640773. The reversal of 27802640755 is 55704620872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27802640755 - 2⁷ = 27802640627 is a prime.

It is a Duffinian 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, 162747 + ... + 286516.

It is an arithmetic number, because the mean of its divisors is an integer number (4170742344).

Almost surely, 2^27802640755 is an apocalyptic number.

27802640755 is a deficient number, since it is larger than the sum of its proper divisors (5563297997).

27802640755 is a wasteful number, since it uses less digits than its factorization.

27802640755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461645.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 27802640755 in words is "twenty-seven billion, eight hundred two million, six hundred forty thousand, seven hundred fifty-five".