85785835355 has 32 divisors (see below), whose sum is σ = 113340826368. Its totient is φ = 61813814400.

The previous prime is 85785835313. The next prime is 85785835357. The reversal of 85785835355 is 55353858758.

It is not a de Polignac number, because 85785835355 - 2¹⁶ = 85785769819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85785835357) 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, 4623557 + ... + 4642073.

It is an arithmetic number, because the mean of its divisors is an integer number (3541900824).

Almost surely, 2^85785835355 is an apocalyptic number.

85785835355 is a deficient number, since it is larger than the sum of its proper divisors (27554991013).

85785835355 is a wasteful number, since it uses less digits than its factorization.

85785835355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19307.

The product of its digits is 100800000, while the sum is 62.

The spelling of 85785835355 in words is "eighty-five billion, seven hundred eighty-five million, eight hundred thirty-five thousand, three hundred fifty-five".