28775365027 has 8 divisors (see below), whose sum is σ = 30492450000. Its totient is φ = 27060993024.

The previous prime is 28775365013. The next prime is 28775365051. The reversal of 28775365027 is 72056357782.

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 28775365027 - 2⁷ = 28775364899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28775365007) 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, 656377 + ... + 698842.

It is an arithmetic number, because the mean of its divisors is an integer number (3811556250).

Almost surely, 2^28775365027 is an apocalyptic number.

28775365027 is a deficient number, since it is larger than the sum of its proper divisors (1717084973).

28775365027 is a wasteful number, since it uses less digits than its factorization.

28775365027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356485.

The product of its (nonzero) digits is 4939200, while the sum is 52.

The spelling of 28775365027 in words is "twenty-eight billion, seven hundred seventy-five million, three hundred sixty-five thousand, twenty-seven".