28322855707 has 8 divisors (see below), whose sum is σ = 29555969184. Its totient is φ = 27089882688.

The previous prime is 28322855699. The next prime is 28322855747. The reversal of 28322855707 is 70755822382.

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 28322855707 - 2³ = 28322855699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28322855747) 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, 768903 + ... + 804895.

It is an arithmetic number, because the mean of its divisors is an integer number (3694496148).

Almost surely, 2^28322855707 is an apocalyptic number.

28322855707 is a deficient number, since it is larger than the sum of its proper divisors (1233113477).

28322855707 is a wasteful number, since it uses less digits than its factorization.

28322855707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70229.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 28322855707 in words is "twenty-eight billion, three hundred twenty-two million, eight hundred fifty-five thousand, seven hundred seven".