32078242817 has 4 divisors (see below), whose sum is σ = 32089050180. Its totient is φ = 32067435456.

The previous prime is 32078242789. The next prime is 32078242831. The reversal of 32078242817 is 71824287023.

It is a Cunningham number, because it is equal to 179104²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71824287023 = 59 ⋅1217360797.

It can be written as a sum of positive squares in 2 ways, for example, as 194212096 + 31884030721 = 13936^2 + 178561^2 .

It is a cyclic number.

It is not a de Polignac number, because 32078242817 - 2⁶ = 32078242753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32078242877) 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, 5399228 + ... + 5405165.

It is an arithmetic number, because the mean of its divisors is an integer number (8022262545).

Almost surely, 2^32078242817 is an apocalyptic number.

It is an amenable number.

32078242817 is a deficient number, since it is larger than the sum of its proper divisors (10807363).

32078242817 is a wasteful number, since it uses less digits than its factorization.

32078242817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807362.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 32078242817 in words is "thirty-two billion, seventy-eight million, two hundred forty-two thousand, eight hundred seventeen".