80743651 has 2 divisors, whose sum is σ = 80743652. Its totient is φ = 80743650.

The previous prime is 80743633. The next prime is 80743667. The reversal of 80743651 is 15634708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80743651 - 2¹¹ = 80741603 is a prime.

It is not a weakly prime, because it can be changed into another prime (80743681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40371825 + 40371826.

It is an arithmetic number, because the mean of its divisors is an integer number (40371826).

Almost surely, 2^80743651 is an apocalyptic number.

80743651 is a deficient number, since it is larger than the sum of its proper divisors (1).

80743651 is an equidigital number, since it uses as much as digits as its factorization.

80743651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 80743651 is about 8985.7471030516. The cubic root of 80743651 is about 432.2179452259.

The spelling of 80743651 in words is "eighty million, seven hundred forty-three thousand, six hundred fifty-one".