84874199 has 2 divisors, whose sum is σ = 84874200. Its totient is φ = 84874198.

The previous prime is 84874171. The next prime is 84874201. The reversal of 84874199 is 99147848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84874199 - 2¹⁶ = 84808663 is a prime.

Together with 84874201, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84874109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42437099 + 42437100.

It is an arithmetic number, because the mean of its divisors is an integer number (42437100).

Almost surely, 2^84874199 is an apocalyptic number.

84874199 is a deficient number, since it is larger than the sum of its proper divisors (1).

84874199 is an equidigital number, since it uses as much as digits as its factorization.

84874199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 50.

The square root of 84874199 is about 9212.7194139407. The cubic root of 84874199 is about 439.4659481289.

The spelling of 84874199 in words is "eighty-four million, eight hundred seventy-four thousand, one hundred ninety-nine".