28545615485 has 8 divisors (see below), whose sum is σ = 36057619680. Its totient is φ = 21634571664.

The previous prime is 28545615481. The next prime is 28545615493. The reversal of 28545615485 is 58451654582.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28545615485 - 2² = 28545615481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545615481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150239987 + ... + 150240176.

It is an arithmetic number, because the mean of its divisors is an integer number (4507202460).

Almost surely, 2^28545615485 is an apocalyptic number.

It is an amenable number.

28545615485 is a deficient number, since it is larger than the sum of its proper divisors (7512004195).

28545615485 is a wasteful number, since it uses less digits than its factorization.

28545615485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300480187.

The product of its digits is 7680000, while the sum is 53.

The spelling of 28545615485 in words is "twenty-eight billion, five hundred forty-five million, six hundred fifteen thousand, four hundred eighty-five".