84865311 has 12 divisors (see below), whose sum is σ = 123227520. Its totient is φ = 56279520.

The previous prime is 84865247. The next prime is 84865379. The reversal of 84865311 is 11356848.

It is not a de Polignac number, because 84865311 - 2⁶ = 84865247 is a prime.

It is a super-2 number, since 2×84865311² = 14404242022253442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84965311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22966 + ... + 26403.

It is an arithmetic number, because the mean of its divisors is an integer number (10268960).

Almost surely, 2^84865311 is an apocalyptic number.

84865311 is a deficient number, since it is larger than the sum of its proper divisors (38362209).

84865311 is a wasteful number, since it uses less digits than its factorization.

84865311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49566 (or 49563 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 84865311 is about 9212.2370247405. The cubic root of 84865311 is about 439.4506073471.

The spelling of 84865311 in words is "eighty-four million, eight hundred sixty-five thousand, three hundred eleven".