870644487043 has 8 divisors (see below), whose sum is σ = 871351547040. Its totient is φ = 869937594240.

The previous prime is 870644486983. The next prime is 870644487067. The reversal of 870644487043 is 340784446078.

870644487043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870644487043 - 2³³ = 862054552451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (870644487143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11691738 + ... + 11765968.

It is an arithmetic number, because the mean of its divisors is an integer number (108918943380).

Almost surely, 2^870644487043 is an apocalyptic number.

870644487043 is a deficient number, since it is larger than the sum of its proper divisors (707059997).

870644487043 is a wasteful number, since it uses less digits than its factorization.

870644487043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83597.

The product of its (nonzero) digits is 14450688, while the sum is 55.

The spelling of 870644487043 in words is "eight hundred seventy billion, six hundred forty-four million, four hundred eighty-seven thousand, forty-three".