32868777609 has 6 divisors (see below), whose sum is σ = 47477123226. Its totient is φ = 21912518400.

The previous prime is 32868777607. The next prime is 32868777637. The reversal of 32868777609 is 90677786823.

It can be written as a sum of positive squares in only one way, i.e., 28222992009 + 4645785600 = 167997^2 + 68160^2 .

It is not a de Polignac number, because 32868777609 - 2¹ = 32868777607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32868777607) 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 5 ways as a sum of consecutive naturals, for example, 1826043192 + ... + 1826043209.

It is an arithmetic number, because the mean of its divisors is an integer number (7912853871).

Almost surely, 2^32868777609 is an apocalyptic number.

It is an amenable number.

32868777609 is a deficient number, since it is larger than the sum of its proper divisors (14608345617).

32868777609 is a wasteful number, since it uses less digits than its factorization.

32868777609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3652086407 (or 3652086404 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 32868777609 in words is "thirty-two billion, eight hundred sixty-eight million, seven hundred seventy-seven thousand, six hundred nine".