6432828785 has 8 divisors (see below), whose sum is σ = 7720607016. Its totient is φ = 5145454720.

The previous prime is 6432828739. The next prime is 6432828793. The reversal of 6432828785 is 5878282346.

It can be written as a sum of positive squares in 4 ways, for example, as 4477456 + 6428351329 = 2116^2 + 80177^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6432828785 - 2²⁴ = 6416051569 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64844 + ... + 130653.

It is an arithmetic number, because the mean of its divisors is an integer number (965075877).

Almost surely, 2^6432828785 is an apocalyptic number.

It is an amenable number.

6432828785 is a deficient number, since it is larger than the sum of its proper divisors (1287778231).

6432828785 is a wasteful number, since it uses less digits than its factorization.

6432828785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202083.

The product of its digits is 5160960, while the sum is 53.

The square root of 6432828785 is about 80204.9174614624. The cubic root of 6432828785 is about 1859.8046568082.

The spelling of 6432828785 in words is "six billion, four hundred thirty-two million, eight hundred twenty-eight thousand, seven hundred eighty-five".