32078303681 has 4 divisors (see below), whose sum is σ = 32181449664. Its totient is φ = 31975157700.

The previous prime is 32078303639. The next prime is 32078303701. The reversal of 32078303681 is 18630387023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 32078303681 - 2³⁰ = 31004561857 is a prime.

It is a super-2 number, since 2×32078303681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32078303381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51572525 + ... + 51573146.

It is an arithmetic number, because the mean of its divisors is an integer number (8045362416).

Almost surely, 2^32078303681 is an apocalyptic number.

It is an amenable number.

32078303681 is a deficient number, since it is larger than the sum of its proper divisors (103145983).

32078303681 is a wasteful number, since it uses less digits than its factorization.

32078303681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103145982.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 32078303681 in words is "thirty-two billion, seventy-eight million, three hundred three thousand, six hundred eighty-one".