28342603807 has 4 divisors (see below), whose sum is σ = 32391547216. Its totient is φ = 24293660400.

The previous prime is 28342603799. The next prime is 28342603853. The reversal of 28342603807 is 70830624382.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 28342603807 - 2³ = 28342603799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28342103807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024471694 + ... + 2024471707.

It is an arithmetic number, because the mean of its divisors is an integer number (8097886804).

Almost surely, 2^28342603807 is an apocalyptic number.

28342603807 is a deficient number, since it is larger than the sum of its proper divisors (4048943409).

28342603807 is an equidigital number, since it uses as much as digits as its factorization.

28342603807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4048943408.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 28342603807 in words is "twenty-eight billion, three hundred forty-two million, six hundred three thousand, eight hundred seven".