78579093959 has 2 divisors, whose sum is σ = 78579093960. Its totient is φ = 78579093958.

The previous prime is 78579093823. The next prime is 78579094007. The reversal of 78579093959 is 95939097587.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78579093959 - 2²⁴ = 78562316743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78579093892 and 78579093901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78579093259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39289546979 + 39289546980.

It is an arithmetic number, because the mean of its divisors is an integer number (39289546980).

Almost surely, 2^78579093959 is an apocalyptic number.

78579093959 is a deficient number, since it is larger than the sum of its proper divisors (1).

78579093959 is an equidigital number, since it uses as much as digits as its factorization.

78579093959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192893400, while the sum is 71.

The spelling of 78579093959 in words is "seventy-eight billion, five hundred seventy-nine million, ninety-three thousand, nine hundred fifty-nine".