78895459 has 2 divisors, whose sum is σ = 78895460. Its totient is φ = 78895458.

The previous prime is 78895441. The next prime is 78895477. The reversal of 78895459 is 95459887.

It is a balanced prime because it is at equal distance from previous prime (78895441) and next prime (78895477).

It is a cyclic number.

It is not a de Polignac number, because 78895459 - 2¹¹ = 78893411 is a prime.

It is not a weakly prime, because it can be changed into another prime (78895409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39447729 + 39447730.

It is an arithmetic number, because the mean of its divisors is an integer number (39447730).

Almost surely, 2^78895459 is an apocalyptic number.

78895459 is a deficient number, since it is larger than the sum of its proper divisors (1).

78895459 is an equidigital number, since it uses as much as digits as its factorization.

78895459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 55.

The square root of 78895459 is about 8882.3115797635. The cubic root of 78895459 is about 428.8946896398.

The spelling of 78895459 in words is "seventy-eight million, eight hundred ninety-five thousand, four hundred fifty-nine".