32278983887 has 4 divisors (see below), whose sum is σ = 32279347416. Its totient is φ = 32278620360.

The previous prime is 32278983883. The next prime is 32278983911. The reversal of 32278983887 is 78838987223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 32278983887 - 2² = 32278983883 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 (32278983881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49553 + ... + 258869.

It is an arithmetic number, because the mean of its divisors is an integer number (8069836854).

Almost surely, 2^32278983887 is an apocalyptic number.

32278983887 is a deficient number, since it is larger than the sum of its proper divisors (363529).

32278983887 is a wasteful number, since it uses less digits than its factorization.

32278983887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363528.

The product of its digits is 65028096, while the sum is 65.

The spelling of 32278983887 in words is "thirty-two billion, two hundred seventy-eight million, nine hundred eighty-three thousand, eight hundred eighty-seven".