861248706 has 32 divisors (see below), whose sum is σ = 1768435200. Its totient is φ = 279457920.

The previous prime is 861248693. The next prime is 861248711. The reversal of 861248706 is 607842168.

861248706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114180 + ... + 121488.

It is an arithmetic number, because the mean of its divisors is an integer number (55263600).

Almost surely, 2^861248706 is an apocalyptic number.

861248706 is an abundant number, since it is smaller than the sum of its proper divisors (907186494).

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

861248706 is a wasteful number, since it uses less digits than its factorization.

861248706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7834.

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

The square root of 861248706 is about 29347.0391351496. The cubic root of 861248706 is about 951.4285823339.

It can be divided in two parts, 86124 and 8706, that added together give a triangular number (94830 = T₄₃₅).

The spelling of 861248706 in words is "eight hundred sixty-one million, two hundred forty-eight thousand, seven hundred six".