890432234117 has 2 divisors, whose sum is σ = 890432234118. Its totient is φ = 890432234116.

The previous prime is 890432234089. The next prime is 890432234173. The reversal of 890432234117 is 711432234098.

890432234117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 489896405476 + 400535828641 = 699926^2 + 632879^2 .

It is a cyclic number.

It is not a de Polignac number, because 890432234117 - 2¹⁸ = 890431971973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (890432234177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 445216117058 + 445216117059.

It is an arithmetic number, because the mean of its divisors is an integer number (445216117059).

Almost surely, 2^890432234117 is an apocalyptic number.

It is an amenable number.

890432234117 is a deficient number, since it is larger than the sum of its proper divisors (1).

890432234117 is an equidigital number, since it uses as much as digits as its factorization.

890432234117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 890432234117 in words is "eight hundred ninety billion, four hundred thirty-two million, two hundred thirty-four thousand, one hundred seventeen".