28795035481 has 3 divisors (see below), whose sum is σ = 28795205173. Its totient is φ = 28794865790.

The previous prime is 28795035473. The next prime is 28795035571. The reversal of 28795035481 is 18453059782.

It is a happy number.

The square root of 28795035481 is 169691.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 28795035481 - 2³ = 28795035473 is a prime.

It is a super-2 number, since 2×28795035481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28795035431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 84846 + ... + 254536.

Almost surely, 2^28795035481 is an apocalyptic number.

28795035481 is the 169691-st square number.

28795035481 is the 84846-th centered octagonal number.

It is an amenable number.

28795035481 is a deficient number, since it is larger than the sum of its proper divisors (169692).

28795035481 is an frugal number, since it uses more digits than its factorization.

28795035481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339382 (or 169691 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 28795035481 in words is "twenty-eight billion, seven hundred ninety-five million, thirty-five thousand, four hundred eighty-one".