106865687 has 2 divisors, whose sum is σ = 106865688. Its totient is φ = 106865686.

The previous prime is 106865677. The next prime is 106865713. The reversal of 106865687 is 786568601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106865687 - 2⁸ = 106865431 is a prime.

It is a super-2 number, since 2×106865687² = 22840550115963938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106865677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53432843 + 53432844.

It is an arithmetic number, because the mean of its divisors is an integer number (53432844).

Almost surely, 2^106865687 is an apocalyptic number.

106865687 is a deficient number, since it is larger than the sum of its proper divisors (1).

106865687 is an equidigital number, since it uses as much as digits as its factorization.

106865687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 106865687 is about 10337.5861302337. The cubic root of 106865687 is about 474.5472132155.

The spelling of 106865687 in words is "one hundred six million, eight hundred sixty-five thousand, six hundred eighty-seven".