855950851 has 8 divisors (see below), whose sum is σ = 978647040. Its totient is φ = 733359048.

The previous prime is 855950839. The next prime is 855950881. The reversal of 855950851 is 158059558.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 855950851 - 2⁷ = 855950723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (855950881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7651 + ... + 42076.

It is an arithmetic number, because the mean of its divisors is an integer number (122330880).

Almost surely, 2^855950851 is an apocalyptic number.

855950851 is a deficient number, since it is larger than the sum of its proper divisors (122696189).

855950851 is a wasteful number, since it uses less digits than its factorization.

855950851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52193.

The product of its (nonzero) digits is 360000, while the sum is 46.

The square root of 855950851 is about 29256.6377254803. The cubic root of 855950851 is about 949.4737070140.

The spelling of 855950851 in words is "eight hundred fifty-five million, nine hundred fifty thousand, eight hundred fifty-one".