28081675435 has 32 divisors (see below), whose sum is σ = 37514098944. Its totient is φ = 20007600000.

The previous prime is 28081675429. The next prime is 28081675439. The reversal of 28081675435 is 53457618082.

It is a happy number.

It is not a de Polignac number, because 28081675435 - 2¹⁷ = 28081544363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28081675439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 825432 + ... + 858778.

It is an arithmetic number, because the mean of its divisors is an integer number (1172315592).

Almost surely, 2^28081675435 is an apocalyptic number.

28081675435 is a deficient number, since it is larger than the sum of its proper divisors (9432423509).

28081675435 is a wasteful number, since it uses less digits than its factorization.

28081675435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33675.

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 28081675435 in words is "twenty-eight billion, eighty-one million, six hundred seventy-five thousand, four hundred thirty-five".