106784987 has 8 divisors (see below), whose sum is σ = 112576512. Its totient is φ = 101140200.

The previous prime is 106784969. The next prime is 106784999. The reversal of 106784987 is 789487601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106784987 is a prime.

It is a super-2 number, since 2×106784987² = 22806066897180338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106784917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35189 + ... + 38102.

It is an arithmetic number, because the mean of its divisors is an integer number (14072064).

Almost surely, 2^106784987 is an apocalyptic number.

106784987 is a deficient number, since it is larger than the sum of its proper divisors (5791525).

106784987 is an equidigital number, since it uses as much as digits as its factorization.

106784987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73369.

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

The square root of 106784987 is about 10333.6821607789. The cubic root of 106784987 is about 474.4277311347.

The spelling of 106784987 in words is "one hundred six million, seven hundred eighty-four thousand, nine hundred eighty-seven".