78053426 has 16 divisors (see below), whose sum is σ = 135237600. Its totient is φ = 33391680.

The previous prime is 78053419. The next prime is 78053429. The reversal of 78053426 is 62435087.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78053429) 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, 103976 + ... + 104723.

It is an arithmetic number, because the mean of its divisors is an integer number (8452350).

Almost surely, 2^78053426 is an apocalyptic number.

78053426 is a deficient number, since it is larger than the sum of its proper divisors (57184174).

78053426 is a wasteful number, since it uses less digits than its factorization.

78053426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208729.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 78053426 is about 8834.7850002136. The cubic root of 78053426 is about 427.3633976418.

The spelling of 78053426 in words is "seventy-eight million, fifty-three thousand, four hundred twenty-six".