2857911959847 has 8 divisors (see below), whose sum is σ = 4354913462656. Its totient is φ = 1633092548472.

The previous prime is 2857911959839. The next prime is 2857911959849. The reversal of 2857911959847 is 7489591197582.

2857911959847 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2857911959847 - 2³ = 2857911959839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857911959849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68045522833 + ... + 68045522874.

It is an arithmetic number, because the mean of its divisors is an integer number (544364182832).

Almost surely, 2^{2857911959847} is an apocalyptic number.

2857911959847 is a deficient number, since it is larger than the sum of its proper divisors (1497001502809).

2857911959847 is a wasteful number, since it uses less digits than its factorization.

2857911959847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136091045717.

The product of its digits is 457228800, while the sum is 75.

The spelling of 2857911959847 in words is "two trillion, eight hundred fifty-seven billion, nine hundred eleven million, nine hundred fifty-nine thousand, eight hundred forty-seven".