78343683 has 8 divisors (see below), whose sum is σ = 113954496. Its totient is φ = 47481000.

The previous prime is 78343679. The next prime is 78343709. The reversal of 78343683 is 38634387.

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

It is not a de Polignac number, because 78343683 - 2² = 78343679 is a prime.

It is a super-2 number, since 2×78343683² = 12275465332008978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78343613) 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 7 ways as a sum of consecutive naturals, for example, 1186993 + ... + 1187058.

It is an arithmetic number, because the mean of its divisors is an integer number (14244312).

Almost surely, 2^78343683 is an apocalyptic number.

78343683 is a deficient number, since it is larger than the sum of its proper divisors (35610813).

78343683 is a wasteful number, since it uses less digits than its factorization.

78343683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374065.

The product of its digits is 290304, while the sum is 42.

The square root of 78343683 is about 8851.1966987521. The cubic root of 78343683 is about 427.8924872614.

It can be divided in two parts, 7834368 and 3, that multiplied together give a square (23503104 = 4848²).

The spelling of 78343683 in words is "seventy-eight million, three hundred forty-three thousand, six hundred eighty-three".