2684864862 has 24 divisors (see below), whose sum is σ = 5855737680. Its totient is φ = 889027200.

The previous prime is 2684864813. The next prime is 2684864873. The reversal of 2684864862 is 2684684862.

2684864862 is a `hidden beast` number, since 2 + 6 + 84 + 86 + 486 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2684864799 and 2684864808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491187 + ... + 496622.

It is an arithmetic number, because the mean of its divisors is an integer number (243989070).

Almost surely, 2^2684864862 is an apocalyptic number.

2684864862 is an abundant number, since it is smaller than the sum of its proper divisors (3170872818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2684864862 is a wasteful number, since it uses less digits than its factorization.

2684864862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987968 (or 987965 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 54.

The square root of 2684864862 is about 51815.6816224587. The cubic root of 2684864862 is about 1389.8698810276.

The spelling of 2684864862 in words is "two billion, six hundred eighty-four million, eight hundred sixty-four thousand, eight hundred sixty-two".