28343892054164 has 48 divisors (see below), whose sum is σ = 52978421563200. Its totient is φ = 13222061016576.

The previous prime is 28343892054139. The next prime is 28343892054169. The reversal of 28343892054164 is 46145029834382.

It is a super-2 number, since 2×28343892054164² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28343892054169) 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, 3876047 + ... + 8468265.

It is an arithmetic number, because the mean of its divisors is an integer number (1103717115900).

Almost surely, 2^{28343892054164} is an apocalyptic number.

It is an amenable number.

28343892054164 is a deficient number, since it is larger than the sum of its proper divisors (24634529509036).

28343892054164 is a wasteful number, since it uses less digits than its factorization.

28343892054164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593032 (or 4593030 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 59.

The spelling of 28343892054164 in words is "twenty-eight trillion, three hundred forty-three billion, eight hundred ninety-two million, fifty-four thousand, one hundred sixty-four".