860799850849 has 9 divisors (see below), whose sum is σ = 863716451409. Its totient is φ = 857893075380.

The previous prime is 860799850777. The next prime is 860799850877. The reversal of 860799850849 is 948058997068.

The square root of 860799850849 is 927793.

It is a perfect power (a square), and thus also a powerful number.

860799850849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 860799850849 - 2¹³ = 860799842657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (860799850549) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 307098082 + ... + 307100884.

It is an arithmetic number, because the mean of its divisors is an integer number (95968494601).

Almost surely, 2^860799850849 is an apocalyptic number.

860799850849 is the 927793-rd square number.

860799850849 is the 463897-th centered octagonal number.

It is an amenable number.

860799850849 is a deficient number, since it is larger than the sum of its proper divisors (2916600560).

860799850849 is an frugal number, since it uses more digits than its factorization.

860799850849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 3134 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 73.

The spelling of 860799850849 in words is "eight hundred sixty billion, seven hundred ninety-nine million, eight hundred fifty thousand, eight hundred forty-nine".