855359951 has 8 divisors (see below), whose sum is σ = 879500160. Its totient is φ = 831516192.

The previous prime is 855359899. The next prime is 855359963. The reversal of 855359951 is 159953558.

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 855359951 - 2⁶ = 855359887 is a prime.

It is a super-4 number, since 4×855359951⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 855359951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855359551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68255 + ... + 79808.

It is an arithmetic number, because the mean of its divisors is an integer number (109937520).

Almost surely, 2^855359951 is an apocalyptic number.

855359951 is a deficient number, since it is larger than the sum of its proper divisors (24140209).

855359951 is a wasteful number, since it uses less digits than its factorization.

855359951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148225.

The product of its digits is 1215000, while the sum is 50.

The square root of 855359951 is about 29246.5374189835. The cubic root of 855359951 is about 949.2551690895.

The spelling of 855359951 in words is "eight hundred fifty-five million, three hundred fifty-nine thousand, nine hundred fifty-one".