78488464896 has 480 divisors, whose sum is σ = 245088866880. Its totient is φ = 24122621952.

The previous prime is 78488464883. The next prime is 78488464907. The reversal of 78488464896 is 69846488487.

78488464896 is a `hidden beast` number, since 7 + 8 + 4 + 88 + 464 + 89 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 499926450 + ... + 499926606.

It is an arithmetic number, because the mean of its divisors is an integer number (510601806).

Almost surely, 2^78488464896 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 78488464896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122544433440).

78488464896 is an abundant number, since it is smaller than the sum of its proper divisors (166600401984).

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

78488464896 is a wasteful number, since it uses less digits than its factorization.

78488464896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346 (or 327 counting only the distinct ones).

The product of its digits is 594542592, while the sum is 72.

The spelling of 78488464896 in words is "seventy-eight billion, four hundred eighty-eight million, four hundred sixty-four thousand, eight hundred ninety-six".