28089368353 has 8 divisors (see below), whose sum is σ = 28374885000. Its totient is φ = 27804499968.

The previous prime is 28089368341. The next prime is 28089368381. The reversal of 28089368353 is 35386398082.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3494346769 + 24595021584 = 59113^2 + 156828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28089368353 is a prime.

It is a super-2 number, since 2×28089368353² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28089368294 and 28089368303.

It is not an unprimeable number, because it can be changed into a prime (28089368323) 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, 74728 + ... + 248521.

It is an arithmetic number, because the mean of its divisors is an integer number (3546860625).

Almost surely, 2^28089368353 is an apocalyptic number.

It is an amenable number.

28089368353 is a deficient number, since it is larger than the sum of its proper divisors (285516647).

28089368353 is a wasteful number, since it uses less digits than its factorization.

28089368353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324131.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 28089368353 in words is "twenty-eight billion, eighty-nine million, three hundred sixty-eight thousand, three hundred fifty-three".