32781786045 has 32 divisors (see below), whose sum is σ = 53781086592. Its totient is φ = 17044415232.

The previous prime is 32781786041. The next prime is 32781786047. The reversal of 32781786045 is 54068718723.

It is not a de Polignac number, because 32781786045 - 2² = 32781786041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32781786041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6507 + ... + 256136.

It is an arithmetic number, because the mean of its divisors is an integer number (1680658956).

Almost surely, 2^32781786045 is an apocalyptic number.

It is an amenable number.

32781786045 is a deficient number, since it is larger than the sum of its proper divisors (20999300547).

32781786045 is a wasteful number, since it uses less digits than its factorization.

32781786045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262861.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 32781786045 in words is "thirty-two billion, seven hundred eighty-one million, seven hundred eighty-six thousand, forty-five".