2858020871 has 4 divisors (see below), whose sum is σ = 2982282672. Its totient is φ = 2733759072.

The previous prime is 2858020849. The next prime is 2858020873. The reversal of 2858020871 is 1780208582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1780208582 = 2 ⋅890104291.

It is a cyclic number.

It is not a de Polignac number, because 2858020871 - 2¹⁰ = 2858019847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858020873) 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, 62130866 + ... + 62130911.

It is an arithmetic number, because the mean of its divisors is an integer number (745570668).

Almost surely, 2^2858020871 is an apocalyptic number.

2858020871 is a deficient number, since it is larger than the sum of its proper divisors (124261801).

2858020871 is a wasteful number, since it uses less digits than its factorization.

2858020871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124261800.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 2858020871 is about 53460.4608191886. The cubic root of 2858020871 is about 1419.1287505785.

The spelling of 2858020871 in words is "two billion, eight hundred fifty-eight million, twenty thousand, eight hundred seventy-one".