28623060831 has 8 divisors (see below), whose sum is σ = 38234626864. Its totient is φ = 19046767680.

The previous prime is 28623060827. The next prime is 28623060847. The reversal of 28623060831 is 13806032682.

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

It is not a de Polignac number, because 28623060831 - 2² = 28623060827 is a prime.

It is a super-2 number, since 2×28623060831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28623060831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28623060881) 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, 8816326 + ... + 8819571.

It is an arithmetic number, because the mean of its divisors is an integer number (4779328358).

Almost surely, 2^28623060831 is an apocalyptic number.

28623060831 is a deficient number, since it is larger than the sum of its proper divisors (9611566033).

28623060831 is a wasteful number, since it uses less digits than its factorization.

28623060831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17636441.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 28623060831 in words is "twenty-eight billion, six hundred twenty-three million, sixty thousand, eight hundred thirty-one".