83106387 has 96 divisors (see below), whose sum is σ = 161021952. Its totient is φ = 40061952.

The previous prime is 83106377. The next prime is 83106391. The reversal of 83106387 is 78360138.

83106387 is a `hidden beast` number, since 8 + 3 + 10 + 638 + 7 = 666.

It is not a de Polignac number, because 83106387 - 2⁸ = 83106131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83106307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 654318 + ... + 654444.

It is an arithmetic number, because the mean of its divisors is an integer number (1677312).

Almost surely, 2^83106387 is an apocalyptic number.

83106387 is a deficient number, since it is larger than the sum of its proper divisors (77915565).

83106387 is a wasteful number, since it uses less digits than its factorization.

83106387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 83106387 is about 9116.2704545225. The cubic root of 83106387 is about 436.3933601083.

The spelling of 83106387 in words is "eighty-three million, one hundred six thousand, three hundred eighty-seven".