106847987 has 2 divisors, whose sum is σ = 106847988. Its totient is φ = 106847986.

The previous prime is 106847981. The next prime is 106847989. The reversal of 106847987 is 789748601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106847987 - 2¹⁴ = 106831603 is a prime.

It is a super-2 number, since 2×106847987² = 22832984651904338, which contains 22 as substring.

Together with 106847989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (106847981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53423993 + 53423994.

It is an arithmetic number, because the mean of its divisors is an integer number (53423994).

Almost surely, 2^106847987 is an apocalyptic number.

106847987 is a deficient number, since it is larger than the sum of its proper divisors (1).

106847987 is an equidigital number, since it uses as much as digits as its factorization.

106847987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 106847987 is about 10336.7299955063. The cubic root of 106847987 is about 474.5210122596.

The spelling of 106847987 in words is "one hundred six million, eight hundred forty-seven thousand, nine hundred eighty-seven".