32297880991 has 4 divisors (see below), whose sum is σ = 32305905352. Its totient is φ = 32289856632.

The previous prime is 32297880983. The next prime is 32297881009. The reversal of 32297880991 is 19908879223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32297880991 - 2³ = 32297880983 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 (32297880961) 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 3 ways as a sum of consecutive naturals, for example, 4006140 + ... + 4014193.

It is an arithmetic number, because the mean of its divisors is an integer number (8076476338).

Almost surely, 2^32297880991 is an apocalyptic number.

32297880991 is a deficient number, since it is larger than the sum of its proper divisors (8024361).

32297880991 is an equidigital number, since it uses as much as digits as its factorization.

32297880991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024360.

The product of its (nonzero) digits is 3919104, while the sum is 58.

The spelling of 32297880991 in words is "thirty-two billion, two hundred ninety-seven million, eight hundred eighty thousand, nine hundred ninety-one".