80758849 has 2 divisors, whose sum is σ = 80758850. Its totient is φ = 80758848.

The previous prime is 80758841. The next prime is 80758883. The reversal of 80758849 is 94885708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75777025 + 4981824 = 8705^2 + 2232^2 .

It is a cyclic number.

It is not a de Polignac number, because 80758849 - 2³ = 80758841 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80758841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40379424 + 40379425.

It is an arithmetic number, because the mean of its divisors is an integer number (40379425).

Almost surely, 2^80758849 is an apocalyptic number.

It is an amenable number.

80758849 is a deficient number, since it is larger than the sum of its proper divisors (1).

80758849 is an equidigital number, since it uses as much as digits as its factorization.

80758849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 80758849 is about 8986.5927358482. The cubic root of 80758849 is about 432.2450616458.

The spelling of 80758849 in words is "eighty million, seven hundred fifty-eight thousand, eight hundred forty-nine".