2863978131 has 16 divisors (see below), whose sum is σ = 4365480704. Its totient is φ = 1636062624.

The previous prime is 2863978123. The next prime is 2863978189. The reversal of 2863978131 is 1318793682.

It is not a de Polignac number, because 2863978131 - 2³ = 2863978123 is a prime.

It is a super-2 number, since 2×2863978131² = 16404741469692506322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2863978111) 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 15 ways as a sum of consecutive naturals, for example, 57000 + ... + 94746.

It is an arithmetic number, because the mean of its divisors is an integer number (272842544).

Almost surely, 2^2863978131 is an apocalyptic number.

2863978131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2863978131 is a deficient number, since it is larger than the sum of its proper divisors (1501502573).

2863978131 is a wasteful number, since it uses less digits than its factorization.

2863978131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41370.

The product of its digits is 435456, while the sum is 48.

The square root of 2863978131 is about 53516.1483199230. The cubic root of 2863978131 is about 1420.1140771607.

It can be divided in two parts, 286397 and 8131, that added together give a triangular number (294528 = T₇₆₇).

The spelling of 2863978131 in words is "two billion, eight hundred sixty-three million, nine hundred seventy-eight thousand, one hundred thirty-one".