28089250837 has 8 divisors (see below), whose sum is σ = 29590812000. Its totient is φ = 26590007664.

The previous prime is 28089250793. The next prime is 28089250897. The reversal of 28089250837 is 73805298082.

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 28089250837 - 2²⁷ = 27955033109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28089250897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 554587 + ... + 603112.

It is an arithmetic number, because the mean of its divisors is an integer number (3698851500).

Almost surely, 2^28089250837 is an apocalyptic number.

It is an amenable number.

28089250837 is a deficient number, since it is larger than the sum of its proper divisors (1501561163).

28089250837 is a wasteful number, since it uses less digits than its factorization.

28089250837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158995.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 28089250837 in words is "twenty-eight billion, eighty-nine million, two hundred fifty thousand, eight hundred thirty-seven".