78982718882 has 8 divisors (see below), whose sum is σ = 119522521836. Its totient is φ = 39141878272.

The previous prime is 78982718851. The next prime is 78982718891. The reversal of 78982718882 is 28881728987.

It can be written as a sum of positive squares in 2 ways, for example, as 75845710801 + 3137008081 = 275401^2 + 56009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174740303 + ... + 174740754.

Almost surely, 2^78982718882 is an apocalyptic number.

78982718882 is a deficient number, since it is larger than the sum of its proper divisors (40539802954).

78982718882 is a wasteful number, since it uses less digits than its factorization.

78982718882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349481172.

The product of its digits is 57802752, while the sum is 68.

The spelling of 78982718882 in words is "seventy-eight billion, nine hundred eighty-two million, seven hundred eighteen thousand, eight hundred eighty-two".