7776000085 has 16 divisors (see below), whose sum is σ = 10668240000. Its totient is φ = 5330108736.

The previous prime is 7776000083. The next prime is 7776000119. The reversal of 7776000085 is 5800006777.

It is a cyclic number.

It is not a de Polignac number, because 7776000085 - 2¹ = 7776000083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7776000083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55806 + ... + 136624.

It is an arithmetic number, because the mean of its divisors is an integer number (666765000).

Almost surely, 2^7776000085 is an apocalyptic number.

It is an amenable number.

7776000085 is a deficient number, since it is larger than the sum of its proper divisors (2892239915).

7776000085 is a wasteful number, since it uses less digits than its factorization.

7776000085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83580.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 7776000085 is about 88181.6312221542. The cubic root of 7776000085 is about 1981.1563565555.

The spelling of 7776000085 in words is "seven billion, seven hundred seventy-six million, eighty-five", and thus it is an aban number.