83477899 has 2 divisors, whose sum is σ = 83477900. Its totient is φ = 83477898.

The previous prime is 83477897. The next prime is 83477917. The reversal of 83477899 is 99877438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83477899 - 2¹ = 83477897 is a prime.

Together with 83477897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83477897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41738949 + 41738950.

It is an arithmetic number, because the mean of its divisors is an integer number (41738950).

Almost surely, 2^83477899 is an apocalyptic number.

83477899 is a deficient number, since it is larger than the sum of its proper divisors (1).

83477899 is an equidigital number, since it uses as much as digits as its factorization.

83477899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 55.

The square root of 83477899 is about 9136.6240483014. The cubic root of 83477899 is about 437.0426659360.

The spelling of 83477899 in words is "eighty-three million, four hundred seventy-seven thousand, eight hundred ninety-nine".