78594125 has 8 divisors (see below), whose sum is σ = 98085624. Its totient is φ = 62875200.

The previous prime is 78594121. The next prime is 78594133. The reversal of 78594125 is 52149587.

It can be written as a sum of positive squares in 4 ways, for example, as 13920361 + 64673764 = 3731^2 + 8042^2 .

It is not a de Polignac number, because 78594125 - 2² = 78594121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78594121) 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, 314252 + ... + 314501.

It is an arithmetic number, because the mean of its divisors is an integer number (12260703).

Almost surely, 2^78594125 is an apocalyptic number.

It is an amenable number.

78594125 is a deficient number, since it is larger than the sum of its proper divisors (19491499).

78594125 is an equidigital number, since it uses as much as digits as its factorization.

78594125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628768 (or 628758 counting only the distinct ones).

The product of its digits is 100800, while the sum is 41.

The square root of 78594125 is about 8865.3327630721. The cubic root of 78594125 is about 428.3479516107.

The spelling of 78594125 in words is "seventy-eight million, five hundred ninety-four thousand, one hundred twenty-five".