83887319 has 2 divisors, whose sum is σ = 83887320. Its totient is φ = 83887318.

The previous prime is 83887303. The next prime is 83887351. The reversal of 83887319 is 91378838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83887319 - 2⁴ = 83887303 is a prime.

It is a super-2 number, since 2×83887319² = 14074164578015522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83887369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41943659 + 41943660.

It is an arithmetic number, because the mean of its divisors is an integer number (41943660).

Almost surely, 2^83887319 is an apocalyptic number.

83887319 is a deficient number, since it is larger than the sum of its proper divisors (1).

83887319 is an equidigital number, since it uses as much as digits as its factorization.

83887319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 83887319 is about 9159.0020744620. The cubic root of 83887319 is about 437.7559975512.

The spelling of 83887319 in words is "eighty-three million, eight hundred eighty-seven thousand, three hundred nineteen".