78125059 has 2 divisors, whose sum is σ = 78125060. Its totient is φ = 78125058.

The previous prime is 78125057. The next prime is 78125119. The reversal of 78125059 is 95052187.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78125059 - 2¹ = 78125057 is a prime.

It is a super-2 number, since 2×78125059² = 12207049687506962, which contains 22 as substring.

Together with 78125057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (78125051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39062529 + 39062530.

It is an arithmetic number, because the mean of its divisors is an integer number (39062530).

Almost surely, 2^78125059 is an apocalyptic number.

78125059 is a deficient number, since it is larger than the sum of its proper divisors (1).

78125059 is an equidigital number, since it uses as much as digits as its factorization.

78125059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 78125059 is about 8838.8381023752. The cubic root of 78125059 is about 427.4940942836.

The spelling of 78125059 in words is "seventy-eight million, one hundred twenty-five thousand, fifty-nine".