870643706860070 has 64 divisors (see below), whose sum is σ = 1841147938518336. Its totient is φ = 292242378401280.

The previous prime is 870643706860063. The next prime is 870643706860073. The reversal of 870643706860070 is 70068607346078.

870643706860070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 870643706859985 and 870643706860012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870643706860073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263878592 + ... + 267157628.

It is an arithmetic number, because the mean of its divisors is an integer number (28767936539349).

Almost surely, 2^{870643706860070} is an apocalyptic number.

870643706860070 is an abundant number, since it is smaller than the sum of its proper divisors (970504231658266).

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

870643706860070 is a wasteful number, since it uses less digits than its factorization.

870643706860070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464745.

The product of its (nonzero) digits is 56899584, while the sum is 62.

The spelling of 870643706860070 in words is "eight hundred seventy trillion, six hundred forty-three billion, seven hundred six million, eight hundred sixty thousand, seventy".