28335861053 has 4 divisors (see below), whose sum is σ = 29312959740. Its totient is φ = 27358762368.

The previous prime is 28335861049. The next prime is 28335861077. The reversal of 28335861053 is 35016853382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17536910329 + 10798950724 = 132427^2 + 103918^2 .

It is a cyclic number.

It is not a de Polignac number, because 28335861053 - 2² = 28335861049 is a prime.

It is a super-2 number, since 2×28335861053² (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 = 28335860995 and 28335861013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28335861353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 488549300 + ... + 488549357.

It is an arithmetic number, because the mean of its divisors is an integer number (7328239935).

Almost surely, 2^28335861053 is an apocalyptic number.

It is an amenable number.

28335861053 is a deficient number, since it is larger than the sum of its proper divisors (977098687).

28335861053 is an equidigital number, since it uses as much as digits as its factorization.

28335861053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977098686.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 28335861053 in words is "twenty-eight billion, three hundred thirty-five million, eight hundred sixty-one thousand, fifty-three".