80969741 has 2 divisors, whose sum is σ = 80969742. Its totient is φ = 80969740.

The previous prime is 80969719. The next prime is 80969747. The reversal of 80969741 is 14796908.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78234025 + 2735716 = 8845^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 80969741 - 2²⁶ = 13860877 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 80969692 and 80969701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80969747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40484870 + 40484871.

It is an arithmetic number, because the mean of its divisors is an integer number (40484871).

Almost surely, 2^80969741 is an apocalyptic number.

It is an amenable number.

80969741 is a deficient number, since it is larger than the sum of its proper divisors (1).

80969741 is an equidigital number, since it uses as much as digits as its factorization.

80969741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 80969741 is about 8998.3187874180. The cubic root of 80969741 is about 432.6209865673.

The spelling of 80969741 in words is "eighty million, nine hundred sixty-nine thousand, seven hundred forty-one".