8945897822887 has 4 divisors (see below), whose sum is σ = 9068444368480. Its totient is φ = 8823351277296.

The previous prime is 8945897822879. The next prime is 8945897822941. The reversal of 8945897822887 is 7882287985498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8945897822887 - 2³ = 8945897822879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8945897822987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61273272687 + ... + 61273272832.

It is an arithmetic number, because the mean of its divisors is an integer number (2267111092120).

Almost surely, 2^{8945897822887} is an apocalyptic number.

8945897822887 is a deficient number, since it is larger than the sum of its proper divisors (122546545593).

8945897822887 is a wasteful number, since it uses less digits than its factorization.

8945897822887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122546545592.

The product of its digits is 10404495360, while the sum is 85.

The spelling of 8945897822887 in words is "eight trillion, nine hundred forty-five billion, eight hundred ninety-seven million, eight hundred twenty-two thousand, eight hundred eighty-seven".