78298383255 has 16 divisors (see below), whose sum is σ = 125490847104. Its totient is φ = 41687993120.

The previous prime is 78298383253. The next prime is 78298383263. The reversal of 78298383255 is 55238389287.

It is not a de Polignac number, because 78298383255 - 2¹ = 78298383253 is a prime.

It is a super-2 number, since 2×78298383255² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78298383253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4437441 + ... + 4455050.

It is an arithmetic number, because the mean of its divisors is an integer number (7843177944).

Almost surely, 2^78298383255 is an apocalyptic number.

78298383255 is a deficient number, since it is larger than the sum of its proper divisors (47192463849).

78298383255 is a wasteful number, since it uses less digits than its factorization.

78298383255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893086.

The product of its digits is 29030400, while the sum is 60.

The spelling of 78298383255 in words is "seventy-eight billion, two hundred ninety-eight million, three hundred eighty-three thousand, two hundred fifty-five".