28322874207 has 16 divisors (see below), whose sum is σ = 41990429280. Its totient is φ = 18868139136.

The previous prime is 28322874137. The next prime is 28322874253. The reversal of 28322874207 is 70247822382.

It is not a de Polignac number, because 28322874207 - 2¹¹ = 28322872159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28322874277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344938 + ... + 419079.

It is an arithmetic number, because the mean of its divisors is an integer number (2624401830).

Almost surely, 2^28322874207 is an apocalyptic number.

28322874207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

28322874207 is a deficient number, since it is larger than the sum of its proper divisors (13667555073).

28322874207 is a wasteful number, since it uses less digits than its factorization.

28322874207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765399 (or 765393 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

It can be divided in two parts, 283228 and 74207, that added together give a triangular number (357435 = T₈₄₅).

The spelling of 28322874207 in words is "twenty-eight billion, three hundred twenty-two million, eight hundred seventy-four thousand, two hundred seven".