855951539268 has 48 divisors (see below), whose sum is σ = 2381778201600. Its totient is φ = 233924643744.

The previous prime is 855951539227. The next prime is 855951539297. The reversal of 855951539268 is 862935159558.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 855951539199 and 855951539208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221517618 + ... + 221521481.

It is an arithmetic number, because the mean of its divisors is an integer number (49620379200).

Almost surely, 2^855951539268 is an apocalyptic number.

It is an amenable number.

855951539268 is an abundant number, since it is smaller than the sum of its proper divisors (1525826662332).

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

855951539268 is a wasteful number, since it uses less digits than its factorization.

855951539268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443039136 (or 443039134 counting only the distinct ones).

The product of its digits is 116640000, while the sum is 66.

The spelling of 855951539268 in words is "eight hundred fifty-five billion, nine hundred fifty-one million, five hundred thirty-nine thousand, two hundred sixty-eight".