83712911 has 2 divisors, whose sum is σ = 83712912. Its totient is φ = 83712910.

The previous prime is 83712899. The next prime is 83712931. The reversal of 83712911 is 11921738.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83712911 - 2¹⁸ = 83450767 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83712931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41856455 + 41856456.

It is an arithmetic number, because the mean of its divisors is an integer number (41856456).

Almost surely, 2^83712911 is an apocalyptic number.

83712911 is a deficient number, since it is larger than the sum of its proper divisors (1).

83712911 is an equidigital number, since it uses as much as digits as its factorization.

83712911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 32.

The square root of 83712911 is about 9149.4759959246. The cubic root of 83712911 is about 437.4524112591.

The spelling of 83712911 in words is "eighty-three million, seven hundred twelve thousand, nine hundred eleven".