28075839770 has 16 divisors (see below), whose sum is σ = 55130740128. Its totient is φ = 10209396240.

The previous prime is 28075839751. The next prime is 28075839823. The reversal of 28075839770 is 7793857082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127617344 + ... + 127617563.

It is an arithmetic number, because the mean of its divisors is an integer number (3445671258).

Almost surely, 2^28075839770 is an apocalyptic number.

28075839770 is a deficient number, since it is larger than the sum of its proper divisors (27054900358).

28075839770 is a wasteful number, since it uses less digits than its factorization.

28075839770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255234925.

The product of its (nonzero) digits is 5927040, while the sum is 56.

The spelling of 28075839770 in words is "twenty-eight billion, seventy-five million, eight hundred thirty-nine thousand, seven hundred seventy".