2869878366385 has 8 divisors (see below), whose sum is σ = 3443863260096. Its totient is φ = 2295896546160.

The previous prime is 2869878366379. The next prime is 2869878366431. The reversal of 2869878366385 is 5836638789682.

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

It is not a de Polignac number, because 2869878366385 - 2¹⁷ = 2869878235313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2752990 + ... + 3649480.

It is an arithmetic number, because the mean of its divisors is an integer number (430482907512).

Almost surely, 2^{2869878366385} is an apocalyptic number.

It is an amenable number.

2869878366385 is a deficient number, since it is larger than the sum of its proper divisors (573984893711).

2869878366385 is an equidigital number, since it uses as much as digits as its factorization.

2869878366385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536743.

The product of its digits is 5016453120, while the sum is 79.

The spelling of 2869878366385 in words is "two trillion, eight hundred sixty-nine billion, eight hundred seventy-eight million, three hundred sixty-six thousand, three hundred eighty-five".