78513465588 has 12 divisors (see below), whose sum is σ = 183198086400. Its totient is φ = 26171155192.

The previous prime is 78513465581. The next prime is 78513465599. The reversal of 78513465588 is 88556431587.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78513465581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3271394388 + ... + 3271394411.

It is an arithmetic number, because the mean of its divisors is an integer number (15266507200).

Almost surely, 2^78513465588 is an apocalyptic number.

It is an amenable number.

78513465588 is an abundant number, since it is smaller than the sum of its proper divisors (104684620812).

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

78513465588 is a wasteful number, since it uses less digits than its factorization.

78513465588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6542788806 (or 6542788804 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 60.

The spelling of 78513465588 in words is "seventy-eight billion, five hundred thirteen million, four hundred sixty-five thousand, five hundred eighty-eight".