28376530753 has 4 divisors (see below), whose sum is σ = 28533307348. Its totient is φ = 28219754160.

The previous prime is 28376530751. The next prime is 28376530759. The reversal of 28376530753 is 35703567382.

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 14959246864 + 13417283889 = 122308^2 + 115833^2 .

It is a cyclic number.

It is not a de Polignac number, because 28376530753 - 2¹ = 28376530751 is a prime.

It is a super-3 number, since 3×28376530753³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28376530697 and 28376530706.

It is not an unprimeable number, because it can be changed into a prime (28376530751) 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, 78388026 + ... + 78388387.

It is an arithmetic number, because the mean of its divisors is an integer number (7133326837).

Almost surely, 2^28376530753 is an apocalyptic number.

It is an amenable number.

28376530753 is a deficient number, since it is larger than the sum of its proper divisors (156776595).

28376530753 is a wasteful number, since it uses less digits than its factorization.

28376530753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156776594.

The product of its (nonzero) digits is 3175200, while the sum is 49.

The spelling of 28376530753 in words is "twenty-eight billion, three hundred seventy-six million, five hundred thirty thousand, seven hundred fifty-three".