83712107 has 2 divisors, whose sum is σ = 83712108. Its totient is φ = 83712106.

The previous prime is 83712103. The next prime is 83712137. The reversal of 83712107 is 70121738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83712107 - 2² = 83712103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83712107.

It is not a weakly prime, because it can be changed into another prime (83712103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41856053 + 41856054.

It is an arithmetic number, because the mean of its divisors is an integer number (41856054).

Almost surely, 2^83712107 is an apocalyptic number.

83712107 is a deficient number, since it is larger than the sum of its proper divisors (1).

83712107 is an equidigital number, since it uses as much as digits as its factorization.

83712107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 29.

The square root of 83712107 is about 9149.4320588767. The cubic root of 83712107 is about 437.4510107867.

The spelling of 83712107 in words is "eighty-three million, seven hundred twelve thousand, one hundred seven".