80968841 has 12 divisors (see below), whose sum is σ = 88987020. Its totient is φ = 73570560.

The previous prime is 80968837. The next prime is 80968843. The reversal of 80968841 is 14886908.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 490000 + 80478841 = 700^2 + 8971^2 .

It is not a de Polignac number, because 80968841 - 2² = 80968837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80968792 and 80968801.

It is not an unprimeable number, because it can be changed into a prime (80968843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3551 + ... + 13211.

It is an arithmetic number, because the mean of its divisors is an integer number (7415585).

Almost surely, 2^80968841 is an apocalyptic number.

It is an amenable number.

80968841 is a deficient number, since it is larger than the sum of its proper divisors (8018179).

80968841 is a wasteful number, since it uses less digits than its factorization.

80968841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9724 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 80968841 is about 8998.2687779372. The cubic root of 80968841 is about 432.6193836626.

The spelling of 80968841 in words is "eighty million, nine hundred sixty-eight thousand, eight hundred forty-one".