32378454197 has 2 divisors, whose sum is σ = 32378454198. Its totient is φ = 32378454196.

The previous prime is 32378454187. The next prime is 32378454223. The reversal of 32378454197 is 79145487323.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25715650321 + 6662803876 = 160361^2 + 81626^2 .

It is a cyclic number.

It is not a de Polignac number, because 32378454197 - 2¹² = 32378450101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32378454127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16189227098 + 16189227099.

It is an arithmetic number, because the mean of its divisors is an integer number (16189227099).

Almost surely, 2^32378454197 is an apocalyptic number.

It is an amenable number.

32378454197 is a deficient number, since it is larger than the sum of its proper divisors (1).

32378454197 is an equidigital number, since it uses as much as digits as its factorization.

32378454197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The spelling of 32378454197 in words is "thirty-two billion, three hundred seventy-eight million, four hundred fifty-four thousand, one hundred ninety-seven".