2878100943 has 32 divisors (see below), whose sum is σ = 4122408960. Its totient is φ = 1780742880.

The previous prime is 2878100893. The next prime is 2878100971. The reversal of 2878100943 is 3490018782.

It is not a de Polignac number, because 2878100943 - 2⁹ = 2878100431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2878100895 and 2878100904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878100143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657480 + ... + 661842.

It is an arithmetic number, because the mean of its divisors is an integer number (128825280).

Almost surely, 2^2878100943 is an apocalyptic number.

2878100943 is a deficient number, since it is larger than the sum of its proper divisors (1244308017).

2878100943 is a wasteful number, since it uses less digits than its factorization.

2878100943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2878100943 is about 53647.9351233577. The cubic root of 2878100943 is about 1422.4445334463. Note that the first 3 decimals are identical.

The spelling of 2878100943 in words is "two billion, eight hundred seventy-eight million, one hundred thousand, nine hundred forty-three".