32808305778 has 32 divisors (see below), whose sum is σ = 66241800000. Its totient is φ = 10832375616.

The previous prime is 32808305741. The next prime is 32808305791. The reversal of 32808305778 is 87750380823.

It is a self number, because there is not a number n which added to its sum of digits gives 32808305778.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220473 + ... + 337971.

It is an arithmetic number, because the mean of its divisors is an integer number (2070056250).

Almost surely, 2^32808305778 is an apocalyptic number.

32808305778 is an abundant number, since it is smaller than the sum of its proper divisors (33433494222).

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

32808305778 is a wasteful number, since it uses less digits than its factorization.

32808305778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117946.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 32808305778 in words is "thirty-two billion, eight hundred eight million, three hundred five thousand, seven hundred seventy-eight".