894255813801 has 63 divisors (see below), whose sum is σ = 1508626413021. Its totient is φ = 510447279384.

The previous prime is 894255813799. The next prime is 894255813823. The reversal of 894255813801 is 108318552498.

The square root of 894255813801 is 945651.

It is a perfect power (a square), and thus also a powerful number.

894255813801 is a `hidden beast` number, since 8 + 9 + 4 + 2 + 558 + 1 + 3 + 80 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (63).

It is not a de Polignac number, because 894255813801 - 2¹ = 894255813799 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (894255818801) 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 62 ways as a sum of consecutive naturals, for example, 973074420 + ... + 973075338.

Almost surely, 2^894255813801 is an apocalyptic number.

894255813801 is the 945651-st square number.

894255813801 is the 472826-th centered octagonal number.

It is an amenable number.

894255813801 is a deficient number, since it is larger than the sum of its proper divisors (614370599220).

894255813801 is an frugal number, since it uses more digits than its factorization.

894255813801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1886 (or 929 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 894255813801 in words is "eight hundred ninety-four billion, two hundred fifty-five million, eight hundred thirteen thousand, eight hundred one".