870678263328072 has 128 divisors (see below), whose sum is σ = 2235343229222400. Its totient is φ = 282455797059072.

The previous prime is 870678263328061. The next prime is 870678263328073. The reversal of 870678263328072 is 270823362876078.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 870678263327988 and 870678263328006.

It is not an unprimeable number, because it can be changed into a prime (870678263328073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793748263 + ... + 794844425.

It is an arithmetic number, because the mean of its divisors is an integer number (17463618978300).

Almost surely, 2^{870678263328072} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870678263328072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117671614611200).

870678263328072 is an abundant number, since it is smaller than the sum of its proper divisors (1364664965894328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870678263328072 is a wasteful number, since it uses less digits than its factorization.

870678263328072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098987 (or 1098983 counting only the distinct ones).

The product of its (nonzero) digits is 455196672, while the sum is 69.

The spelling of 870678263328072 in words is "eight hundred seventy trillion, six hundred seventy-eight billion, two hundred sixty-three million, three hundred twenty-eight thousand, seventy-two".