2878212868875 has 64 divisors (see below), whose sum is σ = 5451288635520. Its totient is φ = 1497606624000.

The previous prime is 2878212868847. The next prime is 2878212868879. The reversal of 2878212868875 is 5788682128782.

2878212868875 is a `hidden beast` number, since 287 + 8 + 212 + 8 + 68 + 8 + 75 = 666.

It is not a de Polignac number, because 2878212868875 - 2⁷ = 2878212868747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2878212868879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10261672 + ... + 10538421.

It is an arithmetic number, because the mean of its divisors is an integer number (85176384930).

Almost surely, 2^{2878212868875} is an apocalyptic number.

2878212868875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2878212868875 is a deficient number, since it is larger than the sum of its proper divisors (2573075766645).

2878212868875 is a wasteful number, since it uses less digits than its factorization.

2878212868875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20800158 (or 20800142 counting only the distinct ones).

The product of its digits is 385351680, while the sum is 72.

The spelling of 2878212868875 in words is "two trillion, eight hundred seventy-eight billion, two hundred twelve million, eight hundred sixty-eight thousand, eight hundred seventy-five".