32378456217 has 16 divisors (see below), whose sum is σ = 43437917952. Its totient is φ = 21452652240.

The previous prime is 32378456203. The next prime is 32378456219. The reversal of 32378456217 is 71265487323.

It is not a de Polignac number, because 32378456217 - 2³² = 28083488921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32378456219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347218 + ... + 430484.

It is an arithmetic number, because the mean of its divisors is an integer number (2714869872).

Almost surely, 2^32378456217 is an apocalyptic number.

It is an amenable number.

32378456217 is a deficient number, since it is larger than the sum of its proper divisors (11059461735).

32378456217 is a wasteful number, since it uses less digits than its factorization.

32378456217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84068.

The product of its digits is 1693440, while the sum is 48.

The spelling of 32378456217 in words is "thirty-two billion, three hundred seventy-eight million, four hundred fifty-six thousand, two hundred seventeen".