32987981822 has 4 divisors (see below), whose sum is σ = 49481972736. Its totient is φ = 16493990910.

The previous prime is 32987981813. The next prime is 32987981827. The reversal of 32987981822 is 22818978923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22818978923 = 13 ⋅1755306071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32987981827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8246995454 + ... + 8246995457.

It is an arithmetic number, because the mean of its divisors is an integer number (12370493184).

Almost surely, 2^32987981822 is an apocalyptic number.

32987981822 is a deficient number, since it is larger than the sum of its proper divisors (16493990914).

32987981822 is a wasteful number, since it uses less digits than its factorization.

32987981822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16493990913.

The product of its digits is 6967296, while the sum is 59.

The spelling of 32987981822 in words is "thirty-two billion, nine hundred eighty-seven million, nine hundred eighty-one thousand, eight hundred twenty-two".