28850070021 has 8 divisors (see below), whose sum is σ = 38467563264. Its totient is φ = 19232978400.

The previous prime is 28850070013. The next prime is 28850070037. The reversal of 28850070021 is 12007005882.

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

It is not a de Polignac number, because 28850070021 - 2³ = 28850070013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28850070071) 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, 175596 + ... + 297546.

It is an arithmetic number, because the mean of its divisors is an integer number (4808445408).

Almost surely, 2^28850070021 is an apocalyptic number.

It is an amenable number.

28850070021 is a deficient number, since it is larger than the sum of its proper divisors (9617493243).

28850070021 is a wasteful number, since it uses less digits than its factorization.

28850070021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200811.

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 28850070021 in words is "twenty-eight billion, eight hundred fifty million, seventy thousand, twenty-one".