889945352745 has 8 divisors (see below), whose sum is σ = 1423912564416. Its totient is φ = 474637521456.

The previous prime is 889945352741. The next prime is 889945352759. The reversal of 889945352745 is 547253549988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 889945352745 - 2² = 889945352741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 889945352745.

It is not an unprimeable number, because it can be changed into a prime (889945352741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29664845077 + ... + 29664845106.

It is an arithmetic number, because the mean of its divisors is an integer number (177989070552).

Almost surely, 2^889945352745 is an apocalyptic number.

It is an amenable number.

889945352745 is a deficient number, since it is larger than the sum of its proper divisors (533967211671).

889945352745 is a wasteful number, since it uses less digits than its factorization.

889945352745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59329690191.

The product of its digits is 435456000, while the sum is 69.

The spelling of 889945352745 in words is "eight hundred eighty-nine billion, nine hundred forty-five million, three hundred fifty-two thousand, seven hundred forty-five".