778328280802 has 32 divisors (see below), whose sum is σ = 1244057688000. Its totient is φ = 364163688000.

The previous prime is 778328280791. The next prime is 778328280817. The reversal of 778328280802 is 208082823877.

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, 1374949 + ... + 1856647.

It is an arithmetic number, because the mean of its divisors is an integer number (38876802750).

Almost surely, 2^778328280802 is an apocalyptic number.

778328280802 is a deficient number, since it is larger than the sum of its proper divisors (465729407198).

778328280802 is a wasteful number, since it uses less digits than its factorization.

778328280802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482242.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 778328280802 in words is "seven hundred seventy-eight billion, three hundred twenty-eight million, two hundred eighty thousand, eight hundred two".