867609561342 has 32 divisors (see below), whose sum is σ = 1738538440704. Its totient is φ = 288650498400.

The previous prime is 867609561341. The next prime is 867609561353. The reversal of 867609561342 is 243165906768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867609561341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6576367 + ... + 6706997.

It is an arithmetic number, because the mean of its divisors is an integer number (54329326272).

It is a 1-persistent number, because it is pandigital, but 2⋅867609561342 = 1735219122684 is not.

Almost surely, 2^867609561342 is an apocalyptic number.

867609561342 is an abundant number, since it is smaller than the sum of its proper divisors (870928879362).

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

867609561342 is a wasteful number, since it uses less digits than its factorization.

867609561342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132744.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 867609561342 in words is "eight hundred sixty-seven billion, six hundred nine million, five hundred sixty-one thousand, three hundred forty-two".