78834125 has 16 divisors (see below), whose sum is σ = 98641920. Its totient is φ = 62902800.

The previous prime is 78834121. The next prime is 78834127. The reversal of 78834125 is 52143887.

It is not a de Polignac number, because 78834125 - 2² = 78834121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78834121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75356 + ... + 76394.

It is an arithmetic number, because the mean of its divisors is an integer number (6165120).

Almost surely, 2^78834125 is an apocalyptic number.

It is an amenable number.

78834125 is a deficient number, since it is larger than the sum of its proper divisors (19807795).

78834125 is a wasteful number, since it uses less digits than its factorization.

78834125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661 (or 1651 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 78834125 is about 8878.8583162476. The cubic root of 78834125 is about 428.7835187014.

The spelling of 78834125 in words is "seventy-eight million, eight hundred thirty-four thousand, one hundred twenty-five".