80701811 has 2 divisors, whose sum is σ = 80701812. Its totient is φ = 80701810.

The previous prime is 80701787. The next prime is 80701849. The reversal of 80701811 is 11810708.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80701811 - 2¹⁰ = 80700787 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (80701891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40350905 + 40350906.

It is an arithmetic number, because the mean of its divisors is an integer number (40350906).

Almost surely, 2^80701811 is an apocalyptic number.

80701811 is a deficient number, since it is larger than the sum of its proper divisors (1).

80701811 is an equidigital number, since it uses as much as digits as its factorization.

80701811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 80701811 is about 8983.4186699719. The cubic root of 80701811 is about 432.1432763072.

The spelling of 80701811 in words is "eighty million, seven hundred one thousand, eight hundred eleven".