28360500465 has 16 divisors (see below), whose sum is σ = 49501964736. Its totient is φ = 13750545600.

The previous prime is 28360500437. The next prime is 28360500521. The reversal of 28360500465 is 56400506382.

It is not a de Polignac number, because 28360500465 - 2²⁴ = 28343723249 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 85940746 + ... + 85941075.

It is an arithmetic number, because the mean of its divisors is an integer number (3093872796).

Almost surely, 2^28360500465 is an apocalyptic number.

It is an amenable number.

28360500465 is a deficient number, since it is larger than the sum of its proper divisors (21141464271).

28360500465 is a wasteful number, since it uses less digits than its factorization.

28360500465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171881840.

The product of its (nonzero) digits is 172800, while the sum is 39.

It can be divided in two parts, 28360 and 500465, that added together give a palindrome (528825).

The spelling of 28360500465 in words is "twenty-eight billion, three hundred sixty million, five hundred thousand, four hundred sixty-five".