84840286311 has 18 divisors (see below), whose sum is σ = 134700511400. Its totient is φ = 51418354680.

The previous prime is 84840286301. The next prime is 84840286337. The reversal of 84840286311 is 11368204848.

84840286311 is a `hidden beast` number, since 8 + 4 + 8 + 4 + 0 + 2 + 8 + 631 + 1 = 666.

It is not a de Polignac number, because 84840286311 - 2¹⁵ = 84840253543 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 (84840286301) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 38952211 + ... + 38954388.

Almost surely, 2^84840286311 is an apocalyptic number.

84840286311 is a deficient number, since it is larger than the sum of its proper divisors (49860225089).

84840286311 is a wasteful number, since it uses less digits than its factorization.

84840286311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77906627 (or 77906613 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 84840286311 in words is "eighty-four billion, eight hundred forty million, two hundred eighty-six thousand, three hundred eleven".