28859941929 has 16 divisors (see below), whose sum is σ = 47359905152. Its totient is φ = 15222826368.

The previous prime is 28859941921. The next prime is 28859941937. The reversal of 28859941929 is 92914995882.

It is an interprime number because it is at equal distance from previous prime (28859941921) and next prime (28859941937).

It is not a de Polignac number, because 28859941929 - 2³ = 28859941921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28859941929.

It is not an unprimeable number, because it can be changed into a prime (28859941921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52856764 + ... + 52857309.

It is an arithmetic number, because the mean of its divisors is an integer number (2959994072).

Almost surely, 2^28859941929 is an apocalyptic number.

It is an amenable number.

28859941929 is a deficient number, since it is larger than the sum of its proper divisors (18499963223).

28859941929 is a wasteful number, since it uses less digits than its factorization.

28859941929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105714096.

The product of its digits is 33592320, while the sum is 66.

The spelling of 28859941929 in words is "twenty-eight billion, eight hundred fifty-nine million, nine hundred forty-one thousand, nine hundred twenty-nine".