80704453 has 2 divisors, whose sum is σ = 80704454. Its totient is φ = 80704452.

The previous prime is 80704433. The next prime is 80704513. The reversal of 80704453 is 35440708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57259489 + 23444964 = 7567^2 + 4842^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80704453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80704433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40352226 + 40352227.

It is an arithmetic number, because the mean of its divisors is an integer number (40352227).

Almost surely, 2^80704453 is an apocalyptic number.

It is an amenable number.

80704453 is a deficient number, since it is larger than the sum of its proper divisors (1).

80704453 is an equidigital number, since it uses as much as digits as its factorization.

80704453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 80704453 is about 8983.5657174643. The cubic root of 80704453 is about 432.1479920629.

The spelling of 80704453 in words is "eighty million, seven hundred four thousand, four hundred fifty-three".