861481674 has 24 divisors (see below), whose sum is σ = 1871845092. Its totient is φ = 286344960.

The previous prime is 861481669. The next prime is 861481703. The reversal of 861481674 is 476184168.

861481674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 854685225 + 6796449 = 29235^2 + 2607^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61437 + ... + 74144.

Almost surely, 2^861481674 is an apocalyptic number.

861481674 is an abundant number, since it is smaller than the sum of its proper divisors (1010363418).

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

861481674 is a wasteful number, since it uses less digits than its factorization.

861481674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135942 (or 135939 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 861481674 is about 29351.0080576460. The cubic root of 861481674 is about 951.5143618267.

The spelling of 861481674 in words is "eight hundred sixty-one million, four hundred eighty-one thousand, six hundred seventy-four".