28489598090 has 16 divisors (see below), whose sum is σ = 51283253088. Its totient is φ = 11395400016.

The previous prime is 28489598041. The next prime is 28489598101. The reversal of 28489598090 is 9089598482.

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, 386549 + ... + 454311.

It is an arithmetic number, because the mean of its divisors is an integer number (3205203318).

Almost surely, 2^28489598090 is an apocalyptic number.

28489598090 is a deficient number, since it is larger than the sum of its proper divisors (22793654998).

28489598090 is a wasteful number, since it uses less digits than its factorization.

28489598090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109813.

The product of its (nonzero) digits is 14929920, while the sum is 62.

The spelling of 28489598090 in words is "twenty-eight billion, four hundred eighty-nine million, five hundred ninety-eight thousand, ninety".