2878762879 has 4 divisors (see below), whose sum is σ = 2879348584. Its totient is φ = 2878177176.

The previous prime is 2878762849. The next prime is 2878762883. The reversal of 2878762879 is 9782678782.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9782678782 = 2 ⋅4891339391.

It is a cyclic number.

It is not a de Polignac number, because 2878762879 - 2¹¹ = 2878760831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2878762879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878762819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285417 + ... + 295330.

It is an arithmetic number, because the mean of its divisors is an integer number (719837146).

Almost surely, 2^2878762879 is an apocalyptic number.

2878762879 is a deficient number, since it is larger than the sum of its proper divisors (585705).

2878762879 is an equidigital number, since it uses as much as digits as its factorization.

2878762879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585704.

The product of its digits is 37933056, while the sum is 64.

The square root of 2878762879 is about 53654.1040275579. The cubic root of 2878762879 is about 1422.5535746844.

The spelling of 2878762879 in words is "two billion, eight hundred seventy-eight million, seven hundred sixty-two thousand, eight hundred seventy-nine".