32873621387 has 4 divisors (see below), whose sum is σ = 33011168160. Its totient is φ = 32736074616.

The previous prime is 32873621279. The next prime is 32873621441. The reversal of 32873621387 is 78312637823.

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 32873621387 - 2¹⁰ = 32873620363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32873621887) 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, 68773028 + ... + 68773505.

It is an arithmetic number, because the mean of its divisors is an integer number (8252792040).

Almost surely, 2^32873621387 is an apocalyptic number.

32873621387 is a deficient number, since it is larger than the sum of its proper divisors (137546773).

32873621387 is a wasteful number, since it uses less digits than its factorization.

32873621387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137546772.

The product of its digits is 2032128, while the sum is 50.

The spelling of 32873621387 in words is "thirty-two billion, eight hundred seventy-three million, six hundred twenty-one thousand, three hundred eighty-seven".