867108642 has 16 divisors (see below), whose sum is σ = 1794018240. Its totient is φ = 279069392.

The previous prime is 867108637. The next prime is 867108659. The reversal of 867108642 is 246801768.

867108642 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 = 867108594 and 867108603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491518 + ... + 2491865.

It is an arithmetic number, because the mean of its divisors is an integer number (112126140).

Almost surely, 2^867108642 is an apocalyptic number.

867108642 is an abundant number, since it is smaller than the sum of its proper divisors (926909598).

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

867108642 is a wasteful number, since it uses less digits than its factorization.

867108642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983417.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 867108642 is about 29446.7085087621. The cubic root of 867108642 is about 953.5815467215.

The spelling of 867108642 in words is "eight hundred sixty-seven million, one hundred eight thousand, six hundred forty-two".