28340025801 has 16 divisors (see below), whose sum is σ = 39097373760. Its totient is φ = 18238270400.

The previous prime is 28340025787. The next prime is 28340025823. The reversal of 28340025801 is 10852004382.

It is a cyclic number.

It is not a de Polignac number, because 28340025801 - 2⁷ = 28340025673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28340025841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455626 + ... + 514076.

It is an arithmetic number, because the mean of its divisors is an integer number (2443585860).

Almost surely, 2^28340025801 is an apocalyptic number.

It is an amenable number.

28340025801 is a deficient number, since it is larger than the sum of its proper divisors (10757347959).

28340025801 is a wasteful number, since it uses less digits than its factorization.

28340025801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64056.

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 28340025801 in words is "twenty-eight billion, three hundred forty million, twenty-five thousand, eight hundred one".