855326100 has 72 divisors (see below), whose sum is σ = 2620332288. Its totient is φ = 214668800.

The previous prime is 855326099. The next prime is 855326113. The reversal of 855326100 is 1623558.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78756 + ... + 88955.

It is an arithmetic number, because the mean of its divisors is an integer number (36393504).

Almost surely, 2^855326100 is an apocalyptic number.

It is an amenable number.

855326100 is an abundant number, since it is smaller than the sum of its proper divisors (1765006188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

855326100 is a wasteful number, since it uses less digits than its factorization.

855326100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167745 (or 167738 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 855326100 is about 29245.9586951770. The cubic root of 855326100 is about 949.2426466185.

Adding to 855326100 its reverse (1623558), we get a palindrome (856949658).

The spelling of 855326100 in words is "eight hundred fifty-five million, three hundred twenty-six thousand, one hundred".