28252502758 has 8 divisors (see below), whose sum is σ = 42463683000. Its totient is φ = 14097941760.

The previous prime is 28252502741. The next prime is 28252502771. The reversal of 28252502758 is 85720525282.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14153563 + ... + 14155558.

It is an arithmetic number, because the mean of its divisors is an integer number (5307960375).

Almost surely, 2^28252502758 is an apocalyptic number.

28252502758 is a deficient number, since it is larger than the sum of its proper divisors (14211180242).

28252502758 is a wasteful number, since it uses less digits than its factorization.

28252502758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28309622.

The product of its (nonzero) digits is 896000, while the sum is 46.

The spelling of 28252502758 in words is "twenty-eight billion, two hundred fifty-two million, five hundred two thousand, seven hundred fifty-eight".