28796598681 has 16 divisors (see below), whose sum is σ = 38617512960. Its totient is φ = 19086898320.

The previous prime is 28796598643. The next prime is 28796598763. The reversal of 28796598681 is 18689569782.

It is not a de Polignac number, because 28796598681 - 2¹⁵ = 28796565913 is a prime.

It is a super-2 number, since 2×28796598681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28796598881) 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, 599100 + ... + 645378.

It is an arithmetic number, because the mean of its divisors is an integer number (2413594560).

Almost surely, 2^28796598681 is an apocalyptic number.

It is an amenable number.

28796598681 is a deficient number, since it is larger than the sum of its proper divisors (9820914279).

28796598681 is a wasteful number, since it uses less digits than its factorization.

28796598681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47476.

The product of its digits is 104509440, while the sum is 69.

The spelling of 28796598681 in words is "twenty-eight billion, seven hundred ninety-six million, five hundred ninety-eight thousand, six hundred eighty-one".