6774432085 has 16 divisors (see below), whose sum is σ = 8692747632. Its totient is φ = 5050240000.

The previous prime is 6774432061. The next prime is 6774432107. The reversal of 6774432085 is 5802344776.

It can be written as a sum of positive squares in 8 ways, for example, as 1276061284 + 5498370801 = 35722^2 + 74151^2 .

It is not a de Polignac number, because 6774432085 - 2⁵ = 6774432053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385966 + ... + 403135.

It is an arithmetic number, because the mean of its divisors is an integer number (543296727).

Almost surely, 2^6774432085 is an apocalyptic number.

It is an amenable number.

6774432085 is a deficient number, since it is larger than the sum of its proper divisors (1918315547).

6774432085 is a wasteful number, since it uses less digits than its factorization.

6774432085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789224.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The square root of 6774432085 is about 82306.9382555323. The cubic root of 6774432085 is about 1892.1590143167.

The spelling of 6774432085 in words is "six billion, seven hundred seventy-four million, four hundred thirty-two thousand, eighty-five".