78078118080 has 56 divisors (see below), whose sum is σ = 247898027952. Its totient is φ = 20820831232.

The previous prime is 78078118051. The next prime is 78078118081. The reversal of 78078118080 is 8081187087.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (78078118081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40664727 + ... + 40666646.

Almost surely, 2^78078118080 is an apocalyptic number.

It is an amenable number.

78078118080 is an abundant number, since it is smaller than the sum of its proper divisors (169819909872).

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

78078118080 is a wasteful number, since it uses less digits than its factorization.

78078118080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81331393 (or 81331383 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 48.

The spelling of 78078118080 in words is "seventy-eight billion, seventy-eight million, one hundred eighteen thousand, eighty".