28791149110 has 16 divisors (see below), whose sum is σ = 51944317632. Its totient is φ = 11489737600.

The previous prime is 28791149099. The next prime is 28791149113. The reversal of 28791149110 is 1194119782.

28791149110 = 37932² + 37933² + ... + 37951².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28791149113) 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, 3335731 + ... + 3344350.

It is an arithmetic number, because the mean of its divisors is an integer number (3246519852).

Almost surely, 2^28791149110 is an apocalyptic number.

28791149110 is a deficient number, since it is larger than the sum of its proper divisors (23153168522).

28791149110 is a wasteful number, since it uses less digits than its factorization.

28791149110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6680519.

The product of its (nonzero) digits is 36288, while the sum is 43.

The spelling of 28791149110 in words is "twenty-eight billion, seven hundred ninety-one million, one hundred forty-nine thousand, one hundred ten".