890127542322 has 162 divisors, whose sum is σ = 2085232538493. Its totient is φ = 274366963584.

The previous prime is 890127542261. The next prime is 890127542357. The reversal of 890127542322 is 223245721098.

890127542322 is a `hidden beast` number, since 8 + 90 + 12 + 7 + 542 + 3 + 2 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 814666902921 + 75460639401 = 902589^2 + 274701^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=667131.

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 80 ways as a sum of consecutive naturals, for example, 7008878223 + ... + 7008878349.

Almost surely, 2^890127542322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890127542322

890127542322 is an abundant number, since it is smaller than the sum of its proper divisors (1195104996171).

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

890127542322 is a wasteful number, since it uses less digits than its factorization.

890127542322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 890127542322 in words is "eight hundred ninety billion, one hundred twenty-seven million, five hundred forty-two thousand, three hundred twenty-two".