28530750361 has 32 divisors (see below), whose sum is σ = 31761538560. Its totient is φ = 25491096576.

The previous prime is 28530750343. The next prime is 28530750403. The reversal of 28530750361 is 16305703582.

It is a cyclic number.

It is not a de Polignac number, because 28530750361 - 2¹¹ = 28530748313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28530750161) 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, 51221895 + ... + 51222451.

It is an arithmetic number, because the mean of its divisors is an integer number (992548080).

Almost surely, 2^28530750361 is an apocalyptic number.

It is an amenable number.

28530750361 is a deficient number, since it is larger than the sum of its proper divisors (3230788199).

28530750361 is a wasteful number, since it uses less digits than its factorization.

28530750361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 28530750361 in words is "twenty-eight billion, five hundred thirty million, seven hundred fifty thousand, three hundred sixty-one".