6988811 has 2 divisors, whose sum is σ = 6988812. Its totient is φ = 6988810.

The previous prime is 6988799. The next prime is 6988829. The reversal of 6988811 is 1188896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6988811 - 2¹⁸ = 6726667 is a prime.

It is not a weakly prime, because it can be changed into another prime (6988841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3494405 + 3494406.

It is an arithmetic number, because the mean of its divisors is an integer number (3494406).

Almost surely, 2^6988811 is an apocalyptic number.

6988811 is a deficient number, since it is larger than the sum of its proper divisors (1).

6988811 is an equidigital number, since it uses as much as digits as its factorization.

6988811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 41.

The square root of 6988811 is about 2643.6359431662. The cubic root of 6988811 is about 191.1911411283.

The spelling of 6988811 in words is "six million, nine hundred eighty-eight thousand, eight hundred eleven".