84791011 has 2 divisors, whose sum is σ = 84791012. Its totient is φ = 84791010.

The previous prime is 84791009. The next prime is 84791023. The reversal of 84791011 is 11019748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84791011 - 2¹ = 84791009 is a prime.

Together with 84791009, it forms a pair of twin primes.

It is equal to p_4932346 and since 84791011 and 4932346 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (84791051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42395505 + 42395506.

It is an arithmetic number, because the mean of its divisors is an integer number (42395506).

Almost surely, 2^84791011 is an apocalyptic number.

84791011 is a deficient number, since it is larger than the sum of its proper divisors (1).

84791011 is an equidigital number, since it uses as much as digits as its factorization.

84791011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 84791011 is about 9208.2034621309. The cubic root of 84791011 is about 439.3223228410.

The spelling of 84791011 in words is "eighty-four million, seven hundred ninety-one thousand, eleven".