27892967645 has 8 divisors (see below), whose sum is σ = 33472491360. Its totient is φ = 22313754000.

The previous prime is 27892967639. The next prime is 27892967647. The reversal of 27892967645 is 54676929872.

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

It is not a de Polignac number, because 27892967645 - 2²⁴ = 27876190429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27892967647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234770 + ... + 333020.

It is an arithmetic number, because the mean of its divisors is an integer number (4184061420).

Almost surely, 2^27892967645 is an apocalyptic number.

It is an amenable number.

27892967645 is a deficient number, since it is larger than the sum of its proper divisors (5579523715).

27892967645 is an equidigital number, since it uses as much as digits as its factorization.

27892967645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155035.

The product of its digits is 91445760, while the sum is 65.

The spelling of 27892967645 in words is "twenty-seven billion, eight hundred ninety-two million, nine hundred sixty-seven thousand, six hundred forty-five".