28898765750 has 32 divisors (see below), whose sum is σ = 55843617024. Its totient is φ = 11186616000.

The previous prime is 28898765713. The next prime is 28898765767. The reversal of 28898765750 is 5756789882.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1856687 + ... + 1872186.

It is an arithmetic number, because the mean of its divisors is an integer number (1745113032).

Almost surely, 2^28898765750 is an apocalyptic number.

28898765750 is a deficient number, since it is larger than the sum of its proper divisors (26944851274).

28898765750 is a wasteful number, since it uses less digits than its factorization.

28898765750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728921 (or 3728911 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 65.

The spelling of 28898765750 in words is "twenty-eight billion, eight hundred ninety-eight million, seven hundred sixty-five thousand, seven hundred fifty".