28950596778 has 16 divisors (see below), whose sum is σ = 57907967616. Its totient is φ = 9649069920.

The previous prime is 28950596737. The next prime is 28950596791. The reversal of 28950596778 is 87769505982.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225826 + ... + 329997.

It is an arithmetic number, because the mean of its divisors is an integer number (3619247976).

Almost surely, 2^28950596778 is an apocalyptic number.

28950596778 is an abundant number, since it is smaller than the sum of its proper divisors (28957370838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28950596778 is a wasteful number, since it uses less digits than its factorization.

28950596778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564509.

The product of its (nonzero) digits is 76204800, while the sum is 66.

The spelling of 28950596778 in words is "twenty-eight billion, nine hundred fifty million, five hundred ninety-six thousand, seven hundred seventy-eight".