32768936778 has 16 divisors (see below), whose sum is σ = 66774437856. Its totient is φ = 10716884880.

The previous prime is 32768936747. The next prime is 32768936861. The reversal of 32768936778 is 87763986723.

It is a super-2 number, since 2×32768936778² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51523168 + ... + 51523803.

It is an arithmetic number, because the mean of its divisors is an integer number (4173402366).

Almost surely, 2^32768936778 is an apocalyptic number.

32768936778 is an abundant number, since it is smaller than the sum of its proper divisors (34005501078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32768936778 is a wasteful number, since it uses less digits than its factorization.

32768936778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103047029.

The product of its digits is 128024064, while the sum is 66.

The spelling of 32768936778 in words is "thirty-two billion, seven hundred sixty-eight million, nine hundred thirty-six thousand, seven hundred seventy-eight".