32378456197 has 2 divisors, whose sum is σ = 32378456198. Its totient is φ = 32378456196.

The previous prime is 32378456191. The next prime is 32378456203. The reversal of 32378456197 is 79165487323.

It is a balanced prime because it is at equal distance from previous prime (32378456191) and next prime (32378456203).

It can be written as a sum of positive squares in only one way, i.e., 19756832481 + 12621623716 = 140559^2 + 112346^2 .

It is a cyclic number.

It is not a de Polignac number, because 32378456197 - 2³¹ = 30230972549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32378456191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16189228098 + 16189228099.

It is an arithmetic number, because the mean of its divisors is an integer number (16189228099).

Almost surely, 2^32378456197 is an apocalyptic number.

It is an amenable number.

32378456197 is a deficient number, since it is larger than the sum of its proper divisors (1).

32378456197 is an equidigital number, since it uses as much as digits as its factorization.

32378456197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7620480, while the sum is 55.

The spelling of 32378456197 in words is "thirty-two billion, three hundred seventy-eight million, four hundred fifty-six thousand, one hundred ninety-seven".