78750116464 has 20 divisors (see below), whose sum is σ = 161553548304. Its totient is φ = 37058878208.

The previous prime is 78750116407. The next prime is 78750116503. The reversal of 78750116464 is 46461105787.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144760972 + ... + 144761515.

Almost surely, 2^78750116464 is an apocalyptic number.

It is an amenable number.

78750116464 is an abundant number, since it is smaller than the sum of its proper divisors (82803431840).

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

78750116464 is a wasteful number, since it uses less digits than its factorization.

78750116464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289522512 (or 289522506 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 78750116464 in words is "seventy-eight billion, seven hundred fifty million, one hundred sixteen thousand, four hundred sixty-four".