855348278 has 8 divisors (see below), whose sum is σ = 1290190680. Its totient is φ = 425284720.

The previous prime is 855348271. The next prime is 855348317. The reversal of 855348278 is 872843558.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855348271) 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 3 ways as a sum of consecutive naturals, for example, 1194263 + ... + 1194978.

It is an arithmetic number, because the mean of its divisors is an integer number (161273835).

Almost surely, 2^855348278 is an apocalyptic number.

855348278 is a deficient number, since it is larger than the sum of its proper divisors (434842402).

855348278 is a wasteful number, since it uses less digits than its factorization.

855348278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389422.

The product of its digits is 2150400, while the sum is 50.

The square root of 855348278 is about 29246.3378562171. The cubic root of 855348278 is about 949.2508509441.

The spelling of 855348278 in words is "eight hundred fifty-five million, three hundred forty-eight thousand, two hundred seventy-eight".