855701348727 has 4 divisors (see below), whose sum is σ = 1140935131640. Its totient is φ = 570467565816.

The previous prime is 855701348647. The next prime is 855701348731. The reversal of 855701348727 is 727843107558.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-855701348727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855701348737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142616891452 + ... + 142616891457.

It is an arithmetic number, because the mean of its divisors is an integer number (285233782910).

Almost surely, 2^855701348727 is an apocalyptic number.

855701348727 is a deficient number, since it is larger than the sum of its proper divisors (285233782913).

855701348727 is a wasteful number, since it uses less digits than its factorization.

855701348727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285233782912.

The product of its (nonzero) digits is 13171200, while the sum is 57.

The spelling of 855701348727 in words is "eight hundred fifty-five billion, seven hundred one million, three hundred forty-eight thousand, seven hundred twenty-seven".