83713187 has 2 divisors, whose sum is σ = 83713188. Its totient is φ = 83713186.

The previous prime is 83713121. The next prime is 83713207. The reversal of 83713187 is 78131738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83713187 - 2⁸ = 83712931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83713187.

It is not a weakly prime, because it can be changed into another prime (83715187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41856593 + 41856594.

It is an arithmetic number, because the mean of its divisors is an integer number (41856594).

Almost surely, 2^83713187 is an apocalyptic number.

83713187 is a deficient number, since it is larger than the sum of its proper divisors (1).

83713187 is an equidigital number, since it uses as much as digits as its factorization.

83713187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 38.

The square root of 83713187 is about 9149.4910787431. The cubic root of 83713187 is about 437.4528920162.

The spelling of 83713187 in words is "eighty-three million, seven hundred thirteen thousand, one hundred eighty-seven".