28358270888 has 8 divisors (see below), whose sum is σ = 53171757930. Its totient is φ = 14179135440.

The previous prime is 28358270879. The next prime is 28358270891. The reversal of 28358270888 is 88807285382.

It can be written as a sum of positive squares in only one way, i.e., 19853373604 + 8504897284 = 140902^2 + 92222^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1772391923 + ... + 1772391938.

Almost surely, 2^28358270888 is an apocalyptic number.

It is an amenable number.

28358270888 is a deficient number, since it is larger than the sum of its proper divisors (24813487042).

28358270888 is a wasteful number, since it uses less digits than its factorization.

28358270888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544783867 (or 3544783863 counting only the distinct ones).

The product of its (nonzero) digits is 13762560, while the sum is 59.

The spelling of 28358270888 in words is "twenty-eight billion, three hundred fifty-eight million, two hundred seventy thousand, eight hundred eighty-eight".