80894853 has 12 divisors (see below), whose sum is σ = 125836620. Its totient is φ = 49781376.

The previous prime is 80894813. The next prime is 80894881. The reversal of 80894853 is 35849808.

It can be written as a sum of positive squares in 2 ways, for example, as 5673924 + 75220929 = 2382^2 + 8673^2 .

It is not a de Polignac number, because 80894853 - 2¹³ = 80886661 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80894799 and 80894808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80894813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345588 + ... + 345821.

It is an arithmetic number, because the mean of its divisors is an integer number (10486385).

Almost surely, 2^80894853 is an apocalyptic number.

It is an amenable number.

80894853 is a deficient number, since it is larger than the sum of its proper divisors (44941767).

80894853 is a wasteful number, since it uses less digits than its factorization.

80894853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691428 (or 691425 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 80894853 is about 8994.1566030396. The cubic root of 80894853 is about 432.4875700037.

The spelling of 80894853 in words is "eighty million, eight hundred ninety-four thousand, eight hundred fifty-three".