2878064439 has 8 divisors (see below), whose sum is σ = 3841869312. Its totient is φ = 1916484600.

The previous prime is 2878064417. The next prime is 2878064477. The reversal of 2878064439 is 9344608782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2878064439 - 2¹¹ = 2878062391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2878064391 and 2878064400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2878064039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553237 + ... + 558414.

It is an arithmetic number, because the mean of its divisors is an integer number (480233664).

Almost surely, 2^2878064439 is an apocalyptic number.

2878064439 is a deficient number, since it is larger than the sum of its proper divisors (963804873).

2878064439 is a wasteful number, since it uses less digits than its factorization.

2878064439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112517.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 2878064439 is about 53647.5949041520. The cubic root of 2878064439 is about 1422.4385196273.

The spelling of 2878064439 in words is "two billion, eight hundred seventy-eight million, sixty-four thousand, four hundred thirty-nine".