28075175890 has 16 divisors (see below), whose sum is σ = 50561521920. Its totient is φ = 11224246960.

The previous prime is 28075175857. The next prime is 28075175893. The reversal of 28075175890 is 9857157082.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28075175893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 707650 + ... + 746269.

It is an arithmetic number, because the mean of its divisors is an integer number (3160095120).

Almost surely, 2^28075175890 is an apocalyptic number.

28075175890 is a deficient number, since it is larger than the sum of its proper divisors (22486346030).

28075175890 is a wasteful number, since it uses less digits than its factorization.

28075175890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455857.

The product of its (nonzero) digits is 1411200, while the sum is 52.

The spelling of 28075175890 in words is "twenty-eight billion, seventy-five million, one hundred seventy-five thousand, eight hundred ninety".