3862873305845 has 8 divisors (see below), whose sum is σ = 4643770139064. Its totient is φ = 3084750529984.

The previous prime is 3862873305799. The next prime is 3862873305847. The reversal of 3862873305845 is 5485033782683.

It can be written as a sum of positive squares in 4 ways, for example, as 13778533924 + 3849094771921 = 117382^2 + 1961911^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3862873305845 - 2¹⁰ = 3862873304821 is a prime.

It is a super-2 number, since 2×3862873305845² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3862873305847) 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, 693511274 + ... + 693516843.

It is an arithmetic number, because the mean of its divisors is an integer number (580471267383).

Almost surely, 2^{3862873305845} is an apocalyptic number.

It is an amenable number.

3862873305845 is a deficient number, since it is larger than the sum of its proper divisors (780896833219).

3862873305845 is a wasteful number, since it uses less digits than its factorization.

3862873305845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387028679.

The product of its (nonzero) digits is 116121600, while the sum is 62.

The spelling of 3862873305845 in words is "three trillion, eight hundred sixty-two billion, eight hundred seventy-three million, three hundred five thousand, eight hundred forty-five".