78423901304 has 32 divisors (see below), whose sum is σ = 168174856800. Its totient is φ = 33585515520.

The previous prime is 78423901301. The next prime is 78423901393. The reversal of 78423901304 is 40310932487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78423901301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438269 + ... + 590700.

It is an arithmetic number, because the mean of its divisors is an integer number (5255464275).

Almost surely, 2^78423901304 is an apocalyptic number.

It is an amenable number.

78423901304 is an abundant number, since it is smaller than the sum of its proper divisors (89750955496).

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

78423901304 is a wasteful number, since it uses less digits than its factorization.

78423901304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030343 (or 1030339 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 78423901304 in words is "seventy-eight billion, four hundred twenty-three million, nine hundred one thousand, three hundred four".