28984991190 has 32 divisors (see below), whose sum is σ = 70704376416. Its totient is φ = 7602620160.

The previous prime is 28984991159. The next prime is 28984991201. The reversal of 28984991190 is 9119948982.

It is a super-2 number, since 2×28984991190² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7917567 + ... + 7921226.

It is an arithmetic number, because the mean of its divisors is an integer number (2209511763).

Almost surely, 2^28984991190 is an apocalyptic number.

28984991190 is an abundant number, since it is smaller than the sum of its proper divisors (41719385226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28984991190 is a wasteful number, since it uses less digits than its factorization.

28984991190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15838864.

The product of its (nonzero) digits is 3359232, while the sum is 60.

The spelling of 28984991190 in words is "twenty-eight billion, nine hundred eighty-four million, nine hundred ninety-one thousand, one hundred ninety".