78725113 has 16 divisors (see below), whose sum is σ = 91566720. Its totient is φ = 67136256.

The previous prime is 78725107. The next prime is 78725117. The reversal of 78725113 is 31152787.

It is a cyclic number.

It is not a de Polignac number, because 78725113 - 2⁹ = 78724601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78725117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2131 + ... + 12727.

It is an arithmetic number, because the mean of its divisors is an integer number (5722920).

Almost surely, 2^78725113 is an apocalyptic number.

It is an amenable number.

78725113 is a deficient number, since it is larger than the sum of its proper divisors (12841607).

78725113 is a wasteful number, since it uses less digits than its factorization.

78725113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10656.

The product of its digits is 11760, while the sum is 34.

The square root of 78725113 is about 8872.7173402515. The cubic root of 78725113 is about 428.5857866036.

The spelling of 78725113 in words is "seventy-eight million, seven hundred twenty-five thousand, one hundred thirteen".