28080078078 has 32 divisors (see below), whose sum is σ = 60491765376. Its totient is φ = 8638367328.

The previous prime is 28080078007. The next prime is 28080078107. The reversal of 28080078078 is 87087008082.

28080078078 is a modest number, since divided by 78078 gives 28080 as remainder.

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 15 ways as a sum of consecutive naturals, for example, 411601 + ... + 474947.

It is an arithmetic number, because the mean of its divisors is an integer number (1890367668).

Almost surely, 2^28080078078 is an apocalyptic number.

28080078078 is an abundant number, since it is smaller than the sum of its proper divisors (32411687298).

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

28080078078 is a wasteful number, since it uses less digits than its factorization.

28080078078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69048.

The product of its (nonzero) digits is 401408, while the sum is 48.

The spelling of 28080078078 in words is "twenty-eight billion, eighty million, seventy-eight thousand, seventy-eight".