28135387027 has 8 divisors (see below), whose sum is σ = 31272266160. Its totient is φ = 25095027360.

The previous prime is 28135387019. The next prime is 28135387037. The reversal of 28135387027 is 72078353182.

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 28135387027 - 2³ = 28135387019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28135387037) 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, 24129252 + ... + 24130417.

It is an arithmetic number, because the mean of its divisors is an integer number (3909033270).

Almost surely, 2^28135387027 is an apocalyptic number.

28135387027 is a deficient number, since it is larger than the sum of its proper divisors (3136879133).

28135387027 is a wasteful number, since it uses less digits than its factorization.

28135387027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48259733.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 28135387027 in words is "twenty-eight billion, one hundred thirty-five million, three hundred eighty-seven thousand, twenty-seven".