28855513130 has 8 divisors (see below), whose sum is σ = 51939923652. Its totient is φ = 11542205248.

The previous prime is 28855513117. The next prime is 28855513147. The reversal of 28855513130 is 3131555882.

It can be written as a sum of positive squares in 2 ways, for example, as 27792557521 + 1062955609 = 166711^2 + 32603^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442775647 + ... + 1442775666.

Almost surely, 2^28855513130 is an apocalyptic number.

28855513130 is a deficient number, since it is larger than the sum of its proper divisors (23084410522).

28855513130 is a wasteful number, since it uses less digits than its factorization.

28855513130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885551320.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 28855513130 in words is "twenty-eight billion, eight hundred fifty-five million, five hundred thirteen thousand, one hundred thirty".