78069340384 has 24 divisors (see below), whose sum is σ = 175656016368. Its totient is φ = 33458288640.

The previous prime is 78069340333. The next prime is 78069340399. The reversal of 78069340384 is 48304396087.

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, 174261697 + ... + 174262144.

It is an arithmetic number, because the mean of its divisors is an integer number (7319000682).

Almost surely, 2^78069340384 is an apocalyptic number.

It is an amenable number.

78069340384 is an abundant number, since it is smaller than the sum of its proper divisors (97586675984).

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

78069340384 is a wasteful number, since it uses less digits than its factorization.

78069340384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348523858 (or 348523850 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 78069340384 in words is "seventy-eight billion, sixty-nine million, three hundred forty thousand, three hundred eighty-four".