2806864101 has 12 divisors (see below), whose sum is σ = 4292851212. Its totient is φ = 1761169536.

The previous prime is 2806864069. The next prime is 2806864103. The reversal of 2806864101 is 1014686082.

2806864101 is a `hidden beast` number, since 2 + 8 + 0 + 6 + 8 + 641 + 0 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2455301601 + 351562500 = 49551^2 + 18750^2 .

It is not a de Polignac number, because 2806864101 - 2⁵ = 2806864069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806864103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9172606 + ... + 9172911.

It is an arithmetic number, because the mean of its divisors is an integer number (357737601).

Almost surely, 2^2806864101 is an apocalyptic number.

It is an amenable number.

2806864101 is a deficient number, since it is larger than the sum of its proper divisors (1485987111).

2806864101 is a wasteful number, since it uses less digits than its factorization.

2806864101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18345540 (or 18345537 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 2806864101 is about 52979.8461775796. The cubic root of 2806864101 is about 1410.6105534483.

The spelling of 2806864101 in words is "two billion, eight hundred six million, eight hundred sixty-four thousand, one hundred one".