28422041678155 has 32 divisors (see below), whose sum is σ = 35562378608640. Its totient is φ = 21779471548800.

The previous prime is 28422041678131. The next prime is 28422041678161. The reversal of 28422041678155 is 55187614022482.

It is not a de Polignac number, because 28422041678155 - 2¹³ = 28422041669963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28422041678096 and 28422041678105.

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 31 ways as a sum of consecutive naturals, for example, 444708712 + ... + 444772618.

It is an arithmetic number, because the mean of its divisors is an integer number (1111324331520).

Almost surely, 2^{28422041678155} is an apocalyptic number.

28422041678155 is a deficient number, since it is larger than the sum of its proper divisors (7140336930485).

28422041678155 is a wasteful number, since it uses less digits than its factorization.

28422041678155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88219.

The product of its (nonzero) digits is 8601600, while the sum is 55.

The spelling of 28422041678155 in words is "twenty-eight trillion, four hundred twenty-two billion, forty-one million, six hundred seventy-eight thousand, one hundred fifty-five".