106916987 has 4 divisors (see below), whose sum is σ = 107955120. Its totient is φ = 105878856.

The previous prime is 106916981. The next prime is 106917001. The reversal of 106916987 is 789619601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106916987 - 2¹⁴ = 106900603 is a prime.

It is a super-2 number, since 2×106916987² = 22862484218316338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106916981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518912 + ... + 519117.

It is an arithmetic number, because the mean of its divisors is an integer number (26988780).

Almost surely, 2^106916987 is an apocalyptic number.

106916987 is a deficient number, since it is larger than the sum of its proper divisors (1038133).

106916987 is a wasteful number, since it uses less digits than its factorization.

106916987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038132.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 106916987 is about 10340.0670694150. The cubic root of 106916987 is about 474.6231352391.

The spelling of 106916987 in words is "one hundred six million, nine hundred sixteen thousand, nine hundred eighty-seven".