28922666877888 has 168 divisors, whose sum is σ = 93703538678400. Its totient is φ = 7828691738112.

The previous prime is 28922666877887. The next prime is 28922666877899. The reversal of 28922666877888 is 88877866622982.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28922666877887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80722908 + ... + 81080411.

It is an arithmetic number, because the mean of its divisors is an integer number (557759158800).

Almost surely, 2^{28922666877888} is an apocalyptic number.

28922666877888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28922666877888 is an abundant number, since it is smaller than the sum of its proper divisors (64780871800512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28922666877888 is a wasteful number, since it uses less digits than its factorization.

28922666877888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161803367 (or 161803350 counting only the distinct ones).

The product of its digits is 24970788864, while the sum is 87.

The spelling of 28922666877888 in words is "twenty-eight trillion, nine hundred twenty-two billion, six hundred sixty-six million, eight hundred seventy-seven thousand, eight hundred eighty-eight".