855265251884 has 6 divisors (see below), whose sum is σ = 1496714190804. Its totient is φ = 427632625940.

The previous prime is 855265251881. The next prime is 855265251901. The reversal of 855265251884 is 488152562558.

It is a super-4 number, since 4×855265251884⁴ (a number of 49 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (855265251881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106908156482 + ... + 106908156489.

It is an arithmetic number, because the mean of its divisors is an integer number (249452365134).

Almost surely, 2^855265251884 is an apocalyptic number.

It is an amenable number.

855265251884 is a deficient number, since it is larger than the sum of its proper divisors (641448938920).

855265251884 is a wasteful number, since it uses less digits than its factorization.

855265251884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213816312975 (or 213816312973 counting only the distinct ones).

The product of its digits is 30720000, while the sum is 59.

The spelling of 855265251884 in words is "eight hundred fifty-five billion, two hundred sixty-five million, two hundred fifty-one thousand, eight hundred eighty-four".