78671326 has 12 divisors (see below), whose sum is σ = 120577968. Its totient is φ = 38496572.

The previous prime is 78671323. The next prime is 78671353. The reversal of 78671326 is 62317687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78671321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4486 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (10048164).

Almost surely, 2^78671326 is an apocalyptic number.

78671326 is a deficient number, since it is larger than the sum of its proper divisors (41906642).

78671326 is a wasteful number, since it uses less digits than its factorization.

78671326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17903 (or 17856 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 78671326 is about 8869.6857892487. The cubic root of 78671326 is about 428.4881574617.

The spelling of 78671326 in words is "seventy-eight million, six hundred seventy-one thousand, three hundred twenty-six".