870646577216406 has 32 divisors (see below), whose sum is σ = 1741794720475488. Its totient is φ = 290131935920640.

The previous prime is 870646577216401. The next prime is 870646577216497. The reversal of 870646577216406 is 604612775646078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870646577216401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796433166 + ... + 797525598.

It is an arithmetic number, because the mean of its divisors is an integer number (54431085014859).

Almost surely, 2^{870646577216406} is an apocalyptic number.

870646577216406 is an abundant number, since it is smaller than the sum of its proper divisors (871148143259082).

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

870646577216406 is a wasteful number, since it uses less digits than its factorization.

870646577216406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130576.

The product of its (nonzero) digits is 568995840, while the sum is 69.

The spelling of 870646577216406 in words is "eight hundred seventy trillion, six hundred forty-six billion, five hundred seventy-seven million, two hundred sixteen thousand, four hundred six".