28840191058 has 16 divisors (see below), whose sum is σ = 49455249984. Its totient is φ = 12356351280.

The previous prime is 28840191049. The next prime is 28840191101. The reversal of 28840191058 is 85019104882.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28840190999 and 28840191017.

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, 262585 + ... + 355852.

It is an arithmetic number, because the mean of its divisors is an integer number (3090953124).

Almost surely, 2^28840191058 is an apocalyptic number.

28840191058 is a deficient number, since it is larger than the sum of its proper divisors (20615058926).

28840191058 is a wasteful number, since it uses less digits than its factorization.

28840191058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621777.

The product of its (nonzero) digits is 184320, while the sum is 46.

The spelling of 28840191058 in words is "twenty-eight billion, eight hundred forty million, one hundred ninety-one thousand, fifty-eight".