894992716820 has 12 divisors (see below), whose sum is σ = 1879484705364. Its totient is φ = 357997086720.

The previous prime is 894992716799. The next prime is 894992716843. The reversal of 894992716820 is 28617299498.

It can be written as a sum of positive squares in 2 ways, for example, as 626507076484 + 268485640336 = 791522^2 + 518156^2 .

It is a super-4 number, since 4×894992716820⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22374817901 + ... + 22374817940.

It is an arithmetic number, because the mean of its divisors is an integer number (156623725447).

Almost surely, 2^894992716820 is an apocalyptic number.

It is an amenable number.

894992716820 is an abundant number, since it is smaller than the sum of its proper divisors (984491988544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

894992716820 is a wasteful number, since it uses less digits than its factorization.

894992716820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44749635850 (or 44749635848 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 65.

The spelling of 894992716820 in words is "eight hundred ninety-four billion, nine hundred ninety-two million, seven hundred sixteen thousand, eight hundred twenty".