78002240508 has 18 divisors (see below), whose sum is σ = 197172330264. Its totient is φ = 26000746824.

The previous prime is 78002240489. The next prime is 78002240521. The reversal of 78002240508 is 80504220087.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2166728903 = 78002240508 / (7 + 8 + 0 + 0 + 2 + 2 + 4 + 0 + 5 + 0 + 8).

It is a congruent number.

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, 1083364416 + ... + 1083364487.

It is an arithmetic number, because the mean of its divisors is an integer number (10954018348).

Almost surely, 2^78002240508 is an apocalyptic number.

It is an amenable number.

78002240508 is an abundant number, since it is smaller than the sum of its proper divisors (119170089756).

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

78002240508 is a wasteful number, since it uses less digits than its factorization.

78002240508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166728913 (or 2166728908 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The spelling of 78002240508 in words is "seventy-eight billion, two million, two hundred forty thousand, five hundred eight".