28729559039 has 8 divisors (see below), whose sum is σ = 29706348672. Its totient is φ = 27755896320.

The previous prime is 28729558999. The next prime is 28729559059. The reversal of 28729559039 is 93095592782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28729559039 - 2¹² = 28729554943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28729559059) 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, 763034 + ... + 799799.

It is an arithmetic number, because the mean of its divisors is an integer number (3713293584).

Almost surely, 2^28729559039 is an apocalyptic number.

28729559039 is a deficient number, since it is larger than the sum of its proper divisors (976789633).

28729559039 is a wasteful number, since it uses less digits than its factorization.

28729559039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563457.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 28729559039 in words is "twenty-eight billion, seven hundred twenty-nine million, five hundred fifty-nine thousand, thirty-nine".