28760653448 has 36 divisors (see below), whose sum is σ = 57301198485. Its totient is φ = 13530587776.

The previous prime is 28760653433. The next prime is 28760653489. The reversal of 28760653448 is 84435606782.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 26322466564 + 2438186884 = 162242^2 + 49378^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=119918.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28760653448.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8152661 + ... + 8156187.

Almost surely, 2^28760653448 is an apocalyptic number.

It is an amenable number.

28760653448 is a deficient number, since it is larger than the sum of its proper divisors (28540545037).

28760653448 is an frugal number, since it uses more digits than its factorization.

28760653448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7094 (or 3546 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 28760653448 in words is "twenty-eight billion, seven hundred sixty million, six hundred fifty-three thousand, four hundred forty-eight".