860256484078870 has 32 divisors (see below), whose sum is σ = 1558548191204928. Its totient is φ = 341863298992128.

The previous prime is 860256484078867. The next prime is 860256484078879. The reversal of 860256484078870 is 78870484652068.

It is a happy number.

It is a super-2 number, since 2×860256484078870² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 860256484078793 and 860256484078802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860256484078879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131442939 + ... + 137832358.

It is an arithmetic number, because the mean of its divisors is an integer number (48704630975154).

Almost surely, 2^{860256484078870} is an apocalyptic number.

860256484078870 is a deficient number, since it is larger than the sum of its proper divisors (698291707126058).

860256484078870 is a wasteful number, since it uses less digits than its factorization.

860256484078870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269277384.

The product of its (nonzero) digits is 1156055040, while the sum is 73.

The spelling of 860256484078870 in words is "eight hundred sixty trillion, two hundred fifty-six billion, four hundred eighty-four million, seventy-eight thousand, eight hundred seventy".