79859383 has 2 divisors, whose sum is σ = 79859384. Its totient is φ = 79859382.

The previous prime is 79859371. The next prime is 79859389. The reversal of 79859383 is 38395897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79859383 - 2⁹ = 79858871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79859383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79859389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39929691 + 39929692.

It is an arithmetic number, because the mean of its divisors is an integer number (39929692).

Almost surely, 2^79859383 is an apocalyptic number.

79859383 is a deficient number, since it is larger than the sum of its proper divisors (1).

79859383 is an equidigital number, since it uses as much as digits as its factorization.

79859383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The square root of 79859383 is about 8936.4077234647. The cubic root of 79859383 is about 430.6343314930.

The spelling of 79859383 in words is "seventy-nine million, eight hundred fifty-nine thousand, three hundred eighty-three".