859725801796 has 27 divisors (see below), whose sum is σ = 1598285898237. Its totient is φ = 404562012480.

The previous prime is 859725801763. The next prime is 859725801799. The reversal of 859725801796 is 697108527958.

The square root of 859725801796 is 927214.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 669336696900 + 190389104896 = 818130^2 + 436336^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (859725801799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31511641 + ... + 31538911.

Almost surely, 2^859725801796 is an apocalyptic number.

859725801796 is the 927214-th square number.

It is an amenable number.

859725801796 is a deficient number, since it is larger than the sum of its proper divisors (738560096441).

859725801796 is an frugal number, since it uses more digits than its factorization.

859725801796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54580 (or 27290 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 67.

It can be divided in two parts, 859725 and 801796, that added together give a square (1661521 = 1289²).

The spelling of 859725801796 in words is "eight hundred fifty-nine billion, seven hundred twenty-five million, eight hundred one thousand, seven hundred ninety-six".