78243114 has 32 divisors (see below), whose sum is σ = 159793344. Its totient is φ = 25534080.

The previous prime is 78243089. The next prime is 78243119. The reversal of 78243114 is 41134287.

It is a super-2 number, since 2×78243114² = 12243969776833992, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78243119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114217 + ... + 114899.

It is an arithmetic number, because the mean of its divisors is an integer number (4993542).

Almost surely, 2^78243114 is an apocalyptic number.

78243114 is an abundant number, since it is smaller than the sum of its proper divisors (81550230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78243114 is a wasteful number, since it uses less digits than its factorization.

78243114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its digits is 5376, while the sum is 30.

The square root of 78243114 is about 8845.5137781816. The cubic root of 78243114 is about 427.7093150957.

The spelling of 78243114 in words is "seventy-eight million, two hundred forty-three thousand, one hundred fourteen".