28384208120270 has 8 divisors (see below), whose sum is σ = 51091574616504. Its totient is φ = 11353683248104.

The previous prime is 28384208120251. The next prime is 28384208120311. The reversal of 28384208120270 is 7202180248382.

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

It is a super-2 number, since 2×28384208120270² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419210406004 + ... + 1419210406023.

It is an arithmetic number, because the mean of its divisors is an integer number (6386446827063).

Almost surely, 2^{28384208120270} is an apocalyptic number.

28384208120270 is a deficient number, since it is larger than the sum of its proper divisors (22707366496234).

28384208120270 is a wasteful number, since it uses less digits than its factorization.

28384208120270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838420812034.

The product of its (nonzero) digits is 688128, while the sum is 47.

The spelling of 28384208120270 in words is "twenty-eight trillion, three hundred eighty-four billion, two hundred eight million, one hundred twenty thousand, two hundred seventy".