78432323152 has 20 divisors (see below), whose sum is σ = 159960659680. Its totient is φ = 37152152928.

The previous prime is 78432323149. The next prime is 78432323183. The reversal of 78432323152 is 25132323487.

It is a congruent number.

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, 129000228 + ... + 129000835.

It is an arithmetic number, because the mean of its divisors is an integer number (7998032984).

Almost surely, 2^78432323152 is an apocalyptic number.

It is an amenable number.

78432323152 is an abundant number, since it is smaller than the sum of its proper divisors (81528336528).

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

78432323152 is a wasteful number, since it uses less digits than its factorization.

78432323152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258001090 (or 258001084 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The spelling of 78432323152 in words is "seventy-eight billion, four hundred thirty-two million, three hundred twenty-three thousand, one hundred fifty-two".