2856386061 has 24 divisors (see below), whose sum is σ = 4204112120. Its totient is φ = 1868313600.

The previous prime is 2856386011. The next prime is 2856386107. The reversal of 2856386061 is 1606836582.

2856386061 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 38 + 606 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 777573225 + 2078812836 = 27885^2 + 45594^2 .

It is not a de Polignac number, because 2856386061 - 2⁶ = 2856385997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2856385998 and 2856386016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2856386011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218181 + ... + 230901.

Almost surely, 2^2856386061 is an apocalyptic number.

It is an amenable number.

2856386061 is a deficient number, since it is larger than the sum of its proper divisors (1347726059).

2856386061 is a wasteful number, since it uses less digits than its factorization.

2856386061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13197 (or 13194 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2856386061 is about 53445.1687339464. The cubic root of 2856386061 is about 1418.8581147700.

The spelling of 2856386061 in words is "two billion, eight hundred fifty-six million, three hundred eighty-six thousand, sixty-one".