855741751 has 2 divisors, whose sum is σ = 855741752. Its totient is φ = 855741750.

The previous prime is 855741743. The next prime is 855741827. The reversal of 855741751 is 157147558.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 855741751 - 2³ = 855741743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 855741698 and 855741707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (855741851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427870875 + 427870876.

It is an arithmetic number, because the mean of its divisors is an integer number (427870876).

Almost surely, 2^855741751 is an apocalyptic number.

855741751 is a deficient number, since it is larger than the sum of its proper divisors (1).

855741751 is an equidigital number, since it uses as much as digits as its factorization.

855741751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 196000, while the sum is 43.

The square root of 855741751 is about 29253.0639591821. The cubic root of 855741751 is about 949.3963851597.

The spelling of 855741751 in words is "eight hundred fifty-five million, seven hundred forty-one thousand, seven hundred fifty-one".