84799911 has 16 divisors (see below), whose sum is σ = 133388288. Its totient is φ = 46893600.

The previous prime is 84799901. The next prime is 84799921. The reversal of 84799911 is 11999748.

It is an interprime number because it is at equal distance from previous prime (84799901) and next prime (84799921).

It is not a de Polignac number, because 84799911 - 2¹⁸ = 84537767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84799901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64480 + ... + 65781.

It is an arithmetic number, because the mean of its divisors is an integer number (8336768).

Almost surely, 2^84799911 is an apocalyptic number.

84799911 is a deficient number, since it is larger than the sum of its proper divisors (48588377).

84799911 is a wasteful number, since it uses less digits than its factorization.

84799911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130302.

The product of its digits is 163296, while the sum is 48.

The square root of 84799911 is about 9208.6867141846. The cubic root of 84799911 is about 439.3376933063.

The spelling of 84799911 in words is "eighty-four million, seven hundred ninety-nine thousand, nine hundred eleven".