855103478 has 4 divisors (see below), whose sum is σ = 1282655220. Its totient is φ = 427551738.

The previous prime is 855103441. The next prime is 855103511. The reversal of 855103478 is 874301558.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213775868 + ... + 213775871.

It is an arithmetic number, because the mean of its divisors is an integer number (320663805).

Almost surely, 2^855103478 is an apocalyptic number.

855103478 is a deficient number, since it is larger than the sum of its proper divisors (427551742).

855103478 is a wasteful number, since it uses less digits than its factorization.

855103478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427551741.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 855103478 is about 29242.1524173581. The cubic root of 855103478 is about 949.1602840228.

It can be divided in two parts, 85510 and 3478, that added together give a palindrome (88988).

The spelling of 855103478 in words is "eight hundred fifty-five million, one hundred three thousand, four hundred seventy-eight".