28801313727 has 8 divisors (see below), whose sum is σ = 38656068480. Its totient is φ = 19073717400.

The previous prime is 28801313711. The next prime is 28801313729. The reversal of 28801313727 is 72731310882.

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

It is not a de Polignac number, because 28801313727 - 2⁴ = 28801313711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28801313729) 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, 31789077 + ... + 31789982.

It is an arithmetic number, because the mean of its divisors is an integer number (4832008560).

Almost surely, 2^28801313727 is an apocalyptic number.

28801313727 is a deficient number, since it is larger than the sum of its proper divisors (9854754753).

28801313727 is a wasteful number, since it uses less digits than its factorization.

28801313727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63579213.

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 28801313727 in words is "twenty-eight billion, eight hundred one million, three hundred thirteen thousand, seven hundred twenty-seven".