775500085 has 16 divisors (see below), whose sum is σ = 973336320. Its totient is φ = 592035840.

The previous prime is 775500083. The next prime is 775500091. The reversal of 775500085 is 580005577.

775500085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 775500085 - 2¹ = 775500083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775500083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42805 + ... + 58165.

It is an arithmetic number, because the mean of its divisors is an integer number (60833520).

Almost surely, 2^775500085 is an apocalyptic number.

It is an amenable number.

775500085 is a deficient number, since it is larger than the sum of its proper divisors (197836235).

775500085 is a wasteful number, since it uses less digits than its factorization.

775500085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15828.

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 775500085 is about 27847.8021574414. The cubic root of 775500085 is about 918.7428027264.

The spelling of 775500085 in words is "seven hundred seventy-five million, five hundred thousand, eighty-five".