2846865897 has 6 divisors (see below), whose sum is σ = 4112139642. Its totient is φ = 1897910592.

The previous prime is 2846865859. The next prime is 2846865919. The reversal of 2846865897 is 7985686482.

2846865897 is a `hidden beast` number, since 2 + 8 + 46 + 8 + 6 + 589 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1555829136 + 1291036761 = 39444^2 + 35931^2 .

It is not a de Polignac number, because 2846865897 - 2¹⁶ = 2846800361 is a prime.

It is a super-2 number, since 2×2846865897² = 16209290871003229218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2846865397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158159208 + ... + 158159225.

It is an arithmetic number, because the mean of its divisors is an integer number (685356607).

Almost surely, 2^2846865897 is an apocalyptic number.

It is an amenable number.

2846865897 is a deficient number, since it is larger than the sum of its proper divisors (1265273745).

2846865897 is a wasteful number, since it uses less digits than its factorization.

2846865897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316318439 (or 316318436 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The square root of 2846865897 is about 53356.0296217775. The cubic root of 2846865897 is about 1417.2800371619.

The spelling of 2846865897 in words is "two billion, eight hundred forty-six million, eight hundred sixty-five thousand, eight hundred ninety-seven".