78696368520960 has 144 divisors (see below), whose sum is σ = 252270866806560. Its totient is φ = 20907684249600.

The previous prime is 78696368520949. The next prime is 78696368520961. The reversal of 78696368520960 is 6902586369687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78696368520961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37059691 + ... + 39125610.

It is an arithmetic number, because the mean of its divisors is an integer number (1751881019490).

Almost surely, 2^{78696368520960} is an apocalyptic number.

It is an amenable number.

78696368520960 is an abundant number, since it is smaller than the sum of its proper divisors (173574498285600).

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

78696368520960 is a wasteful number, since it uses less digits than its factorization.

78696368520960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76185594 (or 76185580 counting only the distinct ones).

The product of its (nonzero) digits is 1410877440, while the sum is 75.

The spelling of 78696368520960 in words is "seventy-eight trillion, six hundred ninety-six billion, three hundred sixty-eight million, five hundred twenty thousand, nine hundred sixty".