855814285652 has 24 divisors (see below), whose sum is σ = 1499632830696. Its totient is φ = 427347906048.

The previous prime is 855814285619. The next prime is 855814285657. The reversal of 855814285652 is 256582418558.

It can be written as a sum of positive squares in 4 ways, for example, as 33099980356 + 822714305296 = 181934^2 + 907036^2 .

It is a junction number, because it is equal to n+sod(n) for n = 855814285591 and 855814285600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855814285657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34174928 + ... + 34199960.

It is an arithmetic number, because the mean of its divisors is an integer number (62484701279).

Almost surely, 2^855814285652 is an apocalyptic number.

It is an amenable number.

855814285652 is a deficient number, since it is larger than the sum of its proper divisors (643818545044).

855814285652 is a wasteful number, since it uses less digits than its factorization.

855814285652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35867 (or 35865 counting only the distinct ones).

The product of its digits is 30720000, while the sum is 59.

The spelling of 855814285652 in words is "eight hundred fifty-five billion, eight hundred fourteen million, two hundred eighty-five thousand, six hundred fifty-two".