340677811 has 2 divisors, whose sum is σ = 340677812. Its totient is φ = 340677810.

The previous prime is 340677803. The next prime is 340677853. The reversal of 340677811 is 118776043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340677811 - 2³ = 340677803 is a prime.

It is a super-2 number, since 2×340677811² = 232122741815503442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340674811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170338905 + 170338906.

It is an arithmetic number, because the mean of its divisors is an integer number (170338906).

Almost surely, 2^340677811 is an apocalyptic number.

340677811 is a deficient number, since it is larger than the sum of its proper divisors (1).

340677811 is an equidigital number, since it uses as much as digits as its factorization.

340677811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 340677811 is about 18457.4594947409. The cubic root of 340677811 is about 698.4167010984.

The spelling of 340677811 in words is "three hundred forty million, six hundred seventy-seven thousand, eight hundred eleven".