78329255 has 8 divisors (see below), whose sum is σ = 94107552. Its totient is φ = 62588448.

The previous prime is 78329233. The next prime is 78329257. The reversal of 78329255 is 55292387.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78329255 is a prime.

It is a super-2 number, since 2×78329255² = 12270944377710050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78329257) 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, 4547 + ... + 13316.

It is an arithmetic number, because the mean of its divisors is an integer number (11763444).

Almost surely, 2^78329255 is an apocalyptic number.

78329255 is a deficient number, since it is larger than the sum of its proper divisors (15778297).

78329255 is a wasteful number, since it uses less digits than its factorization.

78329255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18745.

The product of its digits is 151200, while the sum is 41.

The square root of 78329255 is about 8850.3816301897. The cubic root of 78329255 is about 427.8662183414.

The spelling of 78329255 in words is "seventy-eight million, three hundred twenty-nine thousand, two hundred fifty-five".