32973347857 has 2 divisors, whose sum is σ = 32973347858. Its totient is φ = 32973347856.

The previous prime is 32973347819. The next prime is 32973347861. The reversal of 32973347857 is 75874337923.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32688278401 + 285069456 = 180799^2 + 16884^2 .

It is an emirp because it is prime and its reverse (75874337923) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32973347857 is a prime.

It is not a weakly prime, because it can be changed into another prime (32973347807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16486673928 + 16486673929.

It is an arithmetic number, because the mean of its divisors is an integer number (16486673929).

Almost surely, 2^32973347857 is an apocalyptic number.

It is an amenable number.

32973347857 is a deficient number, since it is larger than the sum of its proper divisors (1).

32973347857 is an equidigital number, since it uses as much as digits as its factorization.

32973347857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 58.

The spelling of 32973347857 in words is "thirty-two billion, nine hundred seventy-three million, three hundred forty-seven thousand, eight hundred fifty-seven".