28359899629 has 8 divisors (see below), whose sum is σ = 29114370432. Its totient is φ = 27608417760.

The previous prime is 28359899621. The next prime is 28359899639. The reversal of 28359899629 is 92699895382.

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 28359899629 - 2³ = 28359899621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28359899621) 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, 727999 + ... + 765964.

It is an arithmetic number, because the mean of its divisors is an integer number (3639296304).

Almost surely, 2^28359899629 is an apocalyptic number.

It is an amenable number.

28359899629 is a deficient number, since it is larger than the sum of its proper divisors (754470803).

28359899629 is a wasteful number, since it uses less digits than its factorization.

28359899629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1494467.

The product of its digits is 151165440, while the sum is 70.

The spelling of 28359899629 in words is "twenty-eight billion, three hundred fifty-nine million, eight hundred ninety-nine thousand, six hundred twenty-nine".