32928671378 has 4 divisors (see below), whose sum is σ = 49393007070. Its totient is φ = 16464335688.

The previous prime is 32928671371. The next prime is 32928671389. The reversal of 32928671378 is 87317682923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87317682923 = 57163 ⋅1527521.

It can be written as a sum of positive squares in only one way, i.e., 20755300489 + 12173370889 = 144067^2 + 110333^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32928671371) 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, 8232167843 + ... + 8232167846.

Almost surely, 2^32928671378 is an apocalyptic number.

32928671378 is a deficient number, since it is larger than the sum of its proper divisors (16464335692).

32928671378 is a wasteful number, since it uses less digits than its factorization.

32928671378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16464335691.

The product of its digits is 6096384, while the sum is 56.

The spelling of 32928671378 in words is "thirty-two billion, nine hundred twenty-eight million, six hundred seventy-one thousand, three hundred seventy-eight".