28753056078 has 16 divisors (see below), whose sum is σ = 59361148416. Its totient is φ = 9275179320.

The previous prime is 28753056067. The next prime is 28753056127. The reversal of 28753056078 is 87065035782.

It is a super-2 number, since 2×28753056078² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28753056078.

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 7 ways as a sum of consecutive naturals, for example, 77292976 + ... + 77293347.

It is an arithmetic number, because the mean of its divisors is an integer number (3710071776).

Almost surely, 2^28753056078 is an apocalyptic number.

28753056078 is an abundant number, since it is smaller than the sum of its proper divisors (30608092338).

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

28753056078 is a wasteful number, since it uses less digits than its factorization.

28753056078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154586359.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 28753056078 in words is "twenty-eight billion, seven hundred fifty-three million, fifty-six thousand, seventy-eight".