28300263078 has 32 divisors (see below), whose sum is σ = 57156687072. Its totient is φ = 9340889600.

The previous prime is 28300263073. The next prime is 28300263119. The reversal of 28300263078 is 87036200382.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28300263073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 699688 + ... + 739028.

It is an arithmetic number, because the mean of its divisors is an integer number (1786146471).

Almost surely, 2^28300263078 is an apocalyptic number.

28300263078 is an abundant number, since it is smaller than the sum of its proper divisors (28856423994).

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

28300263078 is a wasteful number, since it uses less digits than its factorization.

28300263078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40520.

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 28300263078 in words is "twenty-eight billion, three hundred million, two hundred sixty-three thousand, seventy-eight".