84856311 has 6 divisors (see below), whose sum is σ = 122570240. Its totient is φ = 56570868.

The previous prime is 84856283. The next prime is 84856351. The reversal of 84856311 is 11365848.

84856311 is a `hidden beast` number, since 84 + 8 + 563 + 11 = 666.

It is not a de Polignac number, because 84856311 - 2¹⁹ = 84332023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84856351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4714231 + ... + 4714248.

Almost surely, 2^84856311 is an apocalyptic number.

84856311 is a deficient number, since it is larger than the sum of its proper divisors (37713929).

84856311 is a wasteful number, since it uses less digits than its factorization.

84856311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428485 (or 9428482 counting only the distinct ones).

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

The square root of 84856311 is about 9211.7485310879. The cubic root of 84856311 is about 439.4350721607.

The spelling of 84856311 in words is "eighty-four million, eight hundred fifty-six thousand, three hundred eleven".