78947126 has 8 divisors (see below), whose sum is σ = 118691760. Its totient is φ = 39383208.

The previous prime is 78947119. The next prime is 78947153. The reversal of 78947126 is 62174987.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 44081 + ... + 45836.

It is an arithmetic number, because the mean of its divisors is an integer number (14836470).

Almost surely, 2^78947126 is an apocalyptic number.

78947126 is a deficient number, since it is larger than the sum of its proper divisors (39744634).

78947126 is a wasteful number, since it uses less digits than its factorization.

78947126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90358.

The product of its digits is 169344, while the sum is 44.

The square root of 78947126 is about 8885.2195245813. The cubic root of 78947126 is about 428.9882939556.

The spelling of 78947126 in words is "seventy-eight million, nine hundred forty-seven thousand, one hundred twenty-six".