28750947926 has 8 divisors (see below), whose sum is σ = 43127265720. Its totient is φ = 14375192688.

The previous prime is 28750947917. The next prime is 28750947937. The reversal of 28750947926 is 62974905782.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27185 + ... + 241331.

It is an arithmetic number, because the mean of its divisors is an integer number (5390908215).

Almost surely, 2^28750947926 is an apocalyptic number.

28750947926 is a deficient number, since it is larger than the sum of its proper divisors (14376317794).

28750947926 is a wasteful number, since it uses less digits than its factorization.

28750947926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281278.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 28750947926 in words is "twenty-eight billion, seven hundred fifty million, nine hundred forty-seven thousand, nine hundred twenty-six".