79883399 has 2 divisors, whose sum is σ = 79883400. Its totient is φ = 79883398.

The previous prime is 79883383. The next prime is 79883411. The reversal of 79883399 is 99338897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79883399 - 2⁴ = 79883383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79883339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39941699 + 39941700.

It is an arithmetic number, because the mean of its divisors is an integer number (39941700).

Almost surely, 2^79883399 is an apocalyptic number.

79883399 is a deficient number, since it is larger than the sum of its proper divisors (1).

79883399 is an equidigital number, since it uses as much as digits as its factorization.

79883399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 56.

The square root of 79883399 is about 8937.7513391233. The cubic root of 79883399 is about 430.6774951855.

The spelling of 79883399 in words is "seventy-nine million, eight hundred eighty-three thousand, three hundred ninety-nine".