785105055 has 48 divisors (see below), whose sum is σ = 1612875264. Its totient is φ = 358901280.

The previous prime is 785105053. The next prime is 785105071. The reversal of 785105055 is 550501587.

It is not a de Polignac number, because 785105055 - 2¹ = 785105053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785105053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37651 + ... + 54660.

It is an arithmetic number, because the mean of its divisors is an integer number (33601568).

Almost surely, 2^785105055 is an apocalyptic number.

785105055 is an abundant number, since it is smaller than the sum of its proper divisors (827770209).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

785105055 is an equidigital number, since it uses as much as digits as its factorization.

785105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92338 (or 92326 counting only the distinct ones).

The product of its (nonzero) digits is 35000, while the sum is 36.

The square root of 785105055 is about 28019.7261763922. The cubic root of 785105055 is about 922.5202850983.

The spelling of 785105055 in words is "seven hundred eighty-five million, one hundred five thousand, fifty-five".