28887516635 has 8 divisors (see below), whose sum is σ = 34673242320. Its totient is φ = 23104531744.

The previous prime is 28887516629. The next prime is 28887516643. The reversal of 28887516635 is 53661578882.

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 28887516635 - 2¹⁴ = 28887500251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661937 + ... + 704226.

It is an arithmetic number, because the mean of its divisors is an integer number (4334155290).

Almost surely, 2^28887516635 is an apocalyptic number.

28887516635 is a deficient number, since it is larger than the sum of its proper divisors (5785725685).

28887516635 is a wasteful number, since it uses less digits than its factorization.

28887516635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370397.

The product of its digits is 19353600, while the sum is 59.

The spelling of 28887516635 in words is "twenty-eight billion, eight hundred eighty-seven million, five hundred sixteen thousand, six hundred thirty-five".