28502022043 has 8 divisors (see below), whose sum is σ = 31602838896. Its totient is φ = 25486159200.

The previous prime is 28502022041. The next prime is 28502022067. The reversal of 28502022043 is 34022020582.

It is a happy number.

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 28502022043 - 2¹ = 28502022041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28502022041) 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, 21237796 + ... + 21239137.

It is an arithmetic number, because the mean of its divisors is an integer number (3950354862).

Almost surely, 2^28502022043 is an apocalyptic number.

28502022043 is a deficient number, since it is larger than the sum of its proper divisors (3100816853).

28502022043 is a wasteful number, since it uses less digits than its factorization.

28502022043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42477005.

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 28502022043 in words is "twenty-eight billion, five hundred two million, twenty-two thousand, forty-three".