32856987109 has 8 divisors (see below), whose sum is σ = 35238875040. Its totient is φ = 30540356496.

The previous prime is 32856987083. The next prime is 32856987127. The reversal of 32856987109 is 90178965823.

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

It is not a de Polignac number, because 32856987109 - 2⁵ = 32856987077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32856987409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16313287 + ... + 16315300.

It is an arithmetic number, because the mean of its divisors is an integer number (4404859380).

Almost surely, 2^32856987109 is an apocalyptic number.

It is an amenable number.

32856987109 is a deficient number, since it is larger than the sum of its proper divisors (2381887931).

32856987109 is a wasteful number, since it uses less digits than its factorization.

32856987109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32628659.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 32856987109 in words is "thirty-two billion, eight hundred fifty-six million, nine hundred eighty-seven thousand, one hundred nine".