83968011 has 12 divisors (see below), whose sum is σ = 127670920. Its totient is φ = 53032320.

The previous prime is 83967997. The next prime is 83968013. The reversal of 83968011 is 11086938.

It is not a de Polignac number, because 83968011 - 2¹³ = 83959819 is a prime.

It is a super-2 number, since 2×83968011² = 14101253742592242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83968013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245350 + ... + 245691.

Almost surely, 2^83968011 is an apocalyptic number.

83968011 is a deficient number, since it is larger than the sum of its proper divisors (43702909).

83968011 is a wasteful number, since it uses less digits than its factorization.

83968011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491066 (or 491063 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 83968011 is about 9163.4060807104. The cubic root of 83968011 is about 437.8963131057.

The spelling of 83968011 in words is "eighty-three million, nine hundred sixty-eight thousand, eleven".