2831216478 has 16 divisors (see below), whose sum is σ = 5699934336. Its totient is φ = 937488600.

The previous prime is 2831216473. The next prime is 2831216489. The reversal of 2831216478 is 8746121382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2831216471) 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 7 ways as a sum of consecutive naturals, for example, 1561576 + ... + 1563387.

It is an arithmetic number, because the mean of its divisors is an integer number (356245896).

Almost surely, 2^2831216478 is an apocalyptic number.

2831216478 is an abundant number, since it is smaller than the sum of its proper divisors (2868717858).

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

2831216478 is a wasteful number, since it uses less digits than its factorization.

2831216478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125119.

The product of its digits is 129024, while the sum is 42.

The square root of 2831216478 is about 53209.1766333590. The cubic root of 2831216478 is about 1414.6783018424.

The spelling of 2831216478 in words is "two billion, eight hundred thirty-one million, two hundred sixteen thousand, four hundred seventy-eight".