78878895694848 has 1056 divisors, whose sum is σ = 245806956595200. Its totient is φ = 24316085993472.

The previous prime is 78878895694787. The next prime is 78878895694987. The reversal of 78878895694848 is 84849659887887.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 256934513511 + ... + 256934513817.

It is an arithmetic number, because the mean of its divisors is an integer number (232771739200).

Almost surely, 2^{78878895694848} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78878895694848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122903478297600).

78878895694848 is an abundant number, since it is smaller than the sum of its proper divisors (166928060900352).

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

78878895694848 is a wasteful number, since it uses less digits than its factorization.

78878895694848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767 (or 746 counting only the distinct ones).

The product of its digits is 499415777280, while the sum is 99.

The spelling of 78878895694848 in words is "seventy-eight trillion, eight hundred seventy-eight billion, eight hundred ninety-five million, six hundred ninety-four thousand, eight hundred forty-eight".