894224072663 has 16 divisors (see below), whose sum is σ = 1010311290720. Its totient is φ = 786404422656.

The previous prime is 894224072659. The next prime is 894224072669. The reversal of 894224072663 is 366270422498.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 894224072663 - 2² = 894224072659 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 (894224072669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18938720 + ... + 18985877.

It is an arithmetic number, because the mean of its divisors is an integer number (63144455670).

Almost surely, 2^894224072663 is an apocalyptic number.

894224072663 is a deficient number, since it is larger than the sum of its proper divisors (116087218057).

894224072663 is a wasteful number, since it uses less digits than its factorization.

894224072663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37924706.

The product of its (nonzero) digits is 6967296, while the sum is 53.

The spelling of 894224072663 in words is "eight hundred ninety-four billion, two hundred twenty-four million, seventy-two thousand, six hundred sixty-three".