83870107 has 2 divisors, whose sum is σ = 83870108. Its totient is φ = 83870106.

The previous prime is 83870071. The next prime is 83870147. The reversal of 83870107 is 70107838.

It is a happy number.

Together with previous prime (83870071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83870107 - 2⁷ = 83869979 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (83870147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41935053 + 41935054.

It is an arithmetic number, because the mean of its divisors is an integer number (41935054).

Almost surely, 2^83870107 is an apocalyptic number.

83870107 is a deficient number, since it is larger than the sum of its proper divisors (1).

83870107 is an equidigital number, since it uses as much as digits as its factorization.

83870107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 83870107 is about 9158.0624042425. The cubic root of 83870107 is about 437.7260559117.

The spelling of 83870107 in words is "eighty-three million, eight hundred seventy thousand, one hundred seven".