860078893 has 4 divisors (see below), whose sum is σ = 861056028. Its totient is φ = 859101760.

The previous prime is 860078837. The next prime is 860078927. The reversal of 860078893 is 398870068.

It is a happy number.

860078893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 163277284 + 696801609 = 12778^2 + 26397^2 .

It is a cyclic number.

It is not a de Polignac number, because 860078893 - 2²⁹ = 323207981 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860078393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487246 + ... + 489007.

It is an arithmetic number, because the mean of its divisors is an integer number (215264007).

Almost surely, 2^860078893 is an apocalyptic number.

It is an amenable number.

860078893 is a deficient number, since it is larger than the sum of its proper divisors (977135).

860078893 is an equidigital number, since it uses as much as digits as its factorization.

860078893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977134.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 860078893 is about 29327.1016808685. The cubic root of 860078893 is about 950.9976197814.

The spelling of 860078893 in words is "eight hundred sixty million, seventy-eight thousand, eight hundred ninety-three".