851735055 has 32 divisors (see below), whose sum is σ = 1376686080. Its totient is φ = 449648640.

The previous prime is 851735051. The next prime is 851735063. The reversal of 851735055 is 550537158.

It is not a de Polignac number, because 851735055 - 2² = 851735051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851735051) 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, 691290 + ... + 692520.

It is an arithmetic number, because the mean of its divisors is an integer number (43021440).

Almost surely, 2^851735055 is an apocalyptic number.

851735055 is a deficient number, since it is larger than the sum of its proper divisors (524951025).

851735055 is a wasteful number, since it uses less digits than its factorization.

851735055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 105000, while the sum is 39.

The square root of 851735055 is about 29184.5002527026. The cubic root of 851735055 is about 947.9123334429.

The spelling of 851735055 in words is "eight hundred fifty-one million, seven hundred thirty-five thousand, fifty-five".