83912111 has 2 divisors, whose sum is σ = 83912112. Its totient is φ = 83912110.

The previous prime is 83912099. The next prime is 83912123. The reversal of 83912111 is 11121938.

It is a balanced prime because it is at equal distance from previous prime (83912099) and next prime (83912123).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83912111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83912161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41956055 + 41956056.

It is an arithmetic number, because the mean of its divisors is an integer number (41956056).

Almost surely, 2^83912111 is an apocalyptic number.

83912111 is a deficient number, since it is larger than the sum of its proper divisors (1).

83912111 is an equidigital number, since it uses as much as digits as its factorization.

83912111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 26.

The square root of 83912111 is about 9160.3553970356. The cubic root of 83912111 is about 437.7991180047.

The spelling of 83912111 in words is "eighty-three million, nine hundred twelve thousand, one hundred eleven".