32312197782 has 20 divisors (see below), whose sum is σ = 72403258356. Its totient is φ = 10770732540.

The previous prime is 32312197751. The next prime is 32312197787. The reversal of 32312197782 is 28779121323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32312197787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 99728844 + ... + 99729167.

Almost surely, 2^32312197782 is an apocalyptic number.

32312197782 is an abundant number, since it is smaller than the sum of its proper divisors (40091060574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32312197782 is a wasteful number, since it uses less digits than its factorization.

32312197782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199458025 (or 199458016 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

It can be divided in two parts, 323121 and 97782, that added together give a triangular number (420903 = T₉₁₇).

The spelling of 32312197782 in words is "thirty-two billion, three hundred twelve million, one hundred ninety-seven thousand, seven hundred eighty-two".