78325311 has 8 divisors (see below), whose sum is σ = 104764464. Its totient is φ = 52051520.

The previous prime is 78325297. The next prime is 78325339. The reversal of 78325311 is 11352387.

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 78325311 - 2⁵ = 78325279 is a prime.

It is a super-2 number, since 2×78325311² = 12269708686493442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78325381) 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, 40230 + ... + 42131.

It is an arithmetic number, because the mean of its divisors is an integer number (13095558).

Almost surely, 2^78325311 is an apocalyptic number.

78325311 is a deficient number, since it is larger than the sum of its proper divisors (26439153).

78325311 is a wasteful number, since it uses less digits than its factorization.

78325311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82681.

The product of its digits is 5040, while the sum is 30.

The square root of 78325311 is about 8850.1588121344. The cubic root of 78325311 is about 427.8590369774.

Adding to 78325311 its reverse (11352387), we get a palindrome (89677698).

The spelling of 78325311 in words is "seventy-eight million, three hundred twenty-five thousand, three hundred eleven".