855084197751 has 32 divisors (see below), whose sum is σ = 1338717358080. Its totient is φ = 475230260736.

The previous prime is 855084197749. The next prime is 855084197761. The reversal of 855084197751 is 157791480558.

It is not a de Polignac number, because 855084197751 - 2¹ = 855084197749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855084197761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1816290 + ... + 2238096.

It is an arithmetic number, because the mean of its divisors is an integer number (41834917440).

Almost surely, 2^855084197751 is an apocalyptic number.

855084197751 is a deficient number, since it is larger than the sum of its proper divisors (483633160329).

855084197751 is a wasteful number, since it uses less digits than its factorization.

855084197751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424463.

The product of its (nonzero) digits is 14112000, while the sum is 60.

The spelling of 855084197751 in words is "eight hundred fifty-five billion, eighty-four million, one hundred ninety-seven thousand, seven hundred fifty-one".