106820863 has 2 divisors, whose sum is σ = 106820864. Its totient is φ = 106820862.

The previous prime is 106820851. The next prime is 106820893. The reversal of 106820863 is 368028601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106820863 - 2²¹ = 104723711 is a prime.

It is a super-2 number, since 2×106820863² = 22821393544129538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106820893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53410431 + 53410432.

It is an arithmetic number, because the mean of its divisors is an integer number (53410432).

Almost surely, 2^106820863 is an apocalyptic number.

106820863 is a deficient number, since it is larger than the sum of its proper divisors (1).

106820863 is an equidigital number, since it uses as much as digits as its factorization.

106820863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 106820863 is about 10335.4178918900. The cubic root of 106820863 is about 474.4808555299.

The spelling of 106820863 in words is "one hundred six million, eight hundred twenty thousand, eight hundred sixty-three".