27728582107 has 8 divisors (see below), whose sum is σ = 27847484784. Its totient is φ = 27609845088.

The previous prime is 27728582099. The next prime is 27728582111. The reversal of 27728582107 is 70128582772.

It is a happy number.

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 27728582107 - 2³ = 27728582099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27728582137) 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, 300073 + ... + 381445.

It is an arithmetic number, because the mean of its divisors is an integer number (3480935598).

Almost surely, 2^27728582107 is an apocalyptic number.

27728582107 is a deficient number, since it is larger than the sum of its proper divisors (118902677).

27728582107 is a wasteful number, since it uses less digits than its factorization.

27728582107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82829.

The product of its (nonzero) digits is 878080, while the sum is 49.

The spelling of 27728582107 in words is "twenty-seven billion, seven hundred twenty-eight million, five hundred eighty-two thousand, one hundred seven".