2869123284 has 72 divisors (see below), whose sum is σ = 7508696832. Its totient is φ = 922775040.

The previous prime is 2869123273. The next prime is 2869123363. The reversal of 2869123284 is 4823219682.

2869123284 is a `hidden beast` number, since 286 + 91 + 2 + 3 + 284 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390307 + ... + 397589.

It is an arithmetic number, because the mean of its divisors is an integer number (104287456).

Almost surely, 2^2869123284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2869123284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3754348416).

2869123284 is an abundant number, since it is smaller than the sum of its proper divisors (4639573548).

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

2869123284 is a wasteful number, since it uses less digits than its factorization.

2869123284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677 (or 7672 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 2869123284 is about 53564.1977817273. The cubic root of 2869123284 is about 1420.9639827489.

The spelling of 2869123284 in words is "two billion, eight hundred sixty-nine million, one hundred twenty-three thousand, two hundred eighty-four".