861486662 has 8 divisors (see below), whose sum is σ = 1368243576. Its totient is φ = 405405472.

The previous prime is 861486617. The next prime is 861486667. The reversal of 861486662 is 266684168.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (861486667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12668888 + ... + 12668955.

It is an arithmetic number, because the mean of its divisors is an integer number (171030447).

Almost surely, 2^861486662 is an apocalyptic number.

861486662 is a deficient number, since it is larger than the sum of its proper divisors (506756914).

861486662 is a wasteful number, since it uses less digits than its factorization.

861486662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25337862.

The product of its digits is 663552, while the sum is 47.

The square root of 861486662 is about 29351.0930290509. The cubic root of 861486662 is about 951.5161982536.

The spelling of 861486662 in words is "eight hundred sixty-one million, four hundred eighty-six thousand, six hundred sixty-two".