78959059 has 2 divisors, whose sum is σ = 78959060. Its totient is φ = 78959058.

The previous prime is 78959053. The next prime is 78959081. The reversal of 78959059 is 95095987.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78959059 - 2¹⁹ = 78434771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78958997 and 78959015.

It is not a weakly prime, because it can be changed into another prime (78959053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39479529 + 39479530.

It is an arithmetic number, because the mean of its divisors is an integer number (39479530).

Almost surely, 2^78959059 is an apocalyptic number.

78959059 is a deficient number, since it is larger than the sum of its proper divisors (1).

78959059 is an equidigital number, since it uses as much as digits as its factorization.

78959059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1020600, while the sum is 52.

The square root of 78959059 is about 8885.8910076593. The cubic root of 78959059 is about 429.0099069839.

The spelling of 78959059 in words is "seventy-eight million, nine hundred fifty-nine thousand, fifty-nine".