78327004028 has 48 divisors (see below), whose sum is σ = 169096080384. Its totient is φ = 30914550720.

The previous prime is 78327003943. The next prime is 78327004037. The reversal of 78327004028 is 82040072387.

It is a super-2 number, since 2×78327004028² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 92750 + ... + 406517.

It is an arithmetic number, because the mean of its divisors is an integer number (3522835008).

Almost surely, 2^78327004028 is an apocalyptic number.

It is an amenable number.

78327004028 is an abundant number, since it is smaller than the sum of its proper divisors (90769076356).

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

78327004028 is a wasteful number, since it uses less digits than its factorization.

78327004028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499722 (or 499720 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 78327004028 in words is "seventy-eight billion, three hundred twenty-seven million, four thousand, twenty-eight".