855347800000 has 84 divisors (see below), whose sum is σ = 2121528197880. Its totient is φ = 342139040000.

The previous prime is 855347799937. The next prime is 855347800037. The reversal of 855347800000 is 8743558.

855347800000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1938370 + ... + 2338369.

It is an arithmetic number, because the mean of its divisors is an integer number (25256288070).

Almost surely, 2^855347800000 is an apocalyptic number.

855347800000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

855347800000 is an abundant number, since it is smaller than the sum of its proper divisors (1266180397880).

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

855347800000 is an frugal number, since it uses more digits than its factorization.

855347800000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276776 (or 4276746 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 855347800000 in words is "eight hundred fifty-five billion, three hundred forty-seven million, eight hundred thousand".