78021303304 has 24 divisors (see below), whose sum is σ = 170174016990. Its totient is φ = 33437701248.

The previous prime is 78021303281. The next prime is 78021303319. The reversal of 78021303304 is 40330312087.

It can be written as a sum of positive squares in only one way, i.e., 59170562500 + 18850740804 = 243250^2 + 137298^2 .

It is a super-2 number, since 2×78021303304² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 99516577 + ... + 99517360.

Almost surely, 2^78021303304 is an apocalyptic number.

It is an amenable number.

78021303304 is an abundant number, since it is smaller than the sum of its proper divisors (92152713686).

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

78021303304 is a wasteful number, since it uses less digits than its factorization.

78021303304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199033957 (or 199033946 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 78021303304 in words is "seventy-eight billion, twenty-one million, three hundred three thousand, three hundred four".