28624867635 has 48 divisors (see below), whose sum is σ = 56678724864. Its totient is φ = 12079057536.

The previous prime is 28624867619. The next prime is 28624867643. The reversal of 28624867635 is 53676842682.

It is not a de Polignac number, because 28624867635 - 2⁴ = 28624867619 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 788817 + ... + 824306.

It is an arithmetic number, because the mean of its divisors is an integer number (1180806768).

Almost surely, 2^28624867635 is an apocalyptic number.

28624867635 is a deficient number, since it is larger than the sum of its proper divisors (28053857229).

28624867635 is a wasteful number, since it uses less digits than its factorization.

28624867635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613164 (or 1613151 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 28624867635 in words is "twenty-eight billion, six hundred twenty-four million, eight hundred sixty-seven thousand, six hundred thirty-five".