78796028393 has 8 divisors (see below), whose sum is σ = 81118806720. Its totient is φ = 76483416240.

The previous prime is 78796028357. The next prime is 78796028419. The reversal of 78796028393 is 39382069787.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78796028393 - 2⁶ = 78796028329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78796028323) 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, 2525813 + ... + 2556818.

It is an arithmetic number, because the mean of its divisors is an integer number (10139850840).

Almost surely, 2^78796028393 is an apocalyptic number.

It is an amenable number.

78796028393 is a deficient number, since it is larger than the sum of its proper divisors (2322778327).

78796028393 is a wasteful number, since it uses less digits than its factorization.

78796028393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083087.

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 78796028393 in words is "seventy-eight billion, seven hundred ninety-six million, twenty-eight thousand, three hundred ninety-three".