32791985623 has 4 divisors (see below), whose sum is σ = 32793930328. Its totient is φ = 32790040920.

The previous prime is 32791985621. The next prime is 32791985657. The reversal of 32791985623 is 32658919723.

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 32791985623 - 2¹ = 32791985621 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 (32791985621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946836 + ... + 980857.

It is an arithmetic number, because the mean of its divisors is an integer number (8198482582).

Almost surely, 2^32791985623 is an apocalyptic number.

32791985623 is a deficient number, since it is larger than the sum of its proper divisors (1944705).

32791985623 is a wasteful number, since it uses less digits than its factorization.

32791985623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944704.

The product of its digits is 4898880, while the sum is 55.

The spelling of 32791985623 in words is "thirty-two billion, seven hundred ninety-one million, nine hundred eighty-five thousand, six hundred twenty-three".