78788236395 has 16 divisors (see below), whose sum is σ = 137521285632. Its totient is φ = 38200356960.

The previous prime is 78788236393. The next prime is 78788236421. The reversal of 78788236395 is 59363288787.

It is not a de Polignac number, because 78788236395 - 2¹ = 78788236393 is a prime.

It is a super-3 number, since 3×78788236395³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (78788236393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238752067 + ... + 238752396.

It is an arithmetic number, because the mean of its divisors is an integer number (8595080352).

Almost surely, 2^78788236395 is an apocalyptic number.

78788236395 is a deficient number, since it is larger than the sum of its proper divisors (58733049237).

78788236395 is a wasteful number, since it uses less digits than its factorization.

78788236395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477504482.

The product of its digits is 121927680, while the sum is 66.

The spelling of 78788236395 in words is "seventy-eight billion, seven hundred eighty-eight million, two hundred thirty-six thousand, three hundred ninety-five".