28598294813 has 8 divisors (see below), whose sum is σ = 32273938080. Its totient is φ = 25101951280.

The previous prime is 28598294723. The next prime is 28598294821. The reversal of 28598294813 is 31849289582.

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-28598294813 is a prime.

It is a super-2 number, since 2×28598294813² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28598299813) 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, 44824595 + ... + 44825232.

It is an arithmetic number, because the mean of its divisors is an integer number (4034242260).

Almost surely, 2^28598294813 is an apocalyptic number.

It is an amenable number.

28598294813 is a deficient number, since it is larger than the sum of its proper divisors (3675643267).

28598294813 is a wasteful number, since it uses less digits than its factorization.

28598294813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89649867.

The product of its digits is 9953280, while the sum is 59.

The spelling of 28598294813 in words is "twenty-eight billion, five hundred ninety-eight million, two hundred ninety-four thousand, eight hundred thirteen".