28997446027 has 8 divisors (see below), whose sum is σ = 31634907120. Its totient is φ = 26360206560.

The previous prime is 28997445959. The next prime is 28997446081. The reversal of 28997446027 is 72064479982.

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 28997446027 - 2⁷ = 28997445899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28997426027) 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, 342373 + ... + 418585.

It is an arithmetic number, because the mean of its divisors is an integer number (3954363390).

Almost surely, 2^28997446027 is an apocalyptic number.

28997446027 is a deficient number, since it is larger than the sum of its proper divisors (2637461093).

28997446027 is a wasteful number, since it uses less digits than its factorization.

28997446027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110813.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 28997446027 in words is "twenty-eight billion, nine hundred ninety-seven million, four hundred forty-six thousand, twenty-seven".