84798137 has 2 divisors, whose sum is σ = 84798138. Its totient is φ = 84798136.

The previous prime is 84798101. The next prime is 84798223. The reversal of 84798137 is 73189748.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 35952016 = 6989^2 + 5996^2 .

It is a cyclic number.

It is not a de Polignac number, because 84798137 - 2¹² = 84794041 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 84798091 and 84798100.

It is not a weakly prime, because it can be changed into another prime (84792137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42399068 + 42399069.

It is an arithmetic number, because the mean of its divisors is an integer number (42399069).

Almost surely, 2^84798137 is an apocalyptic number.

It is an amenable number.

84798137 is a deficient number, since it is larger than the sum of its proper divisors (1).

84798137 is an equidigital number, since it uses as much as digits as its factorization.

84798137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The square root of 84798137 is about 9208.5903915855. The cubic root of 84798137 is about 439.3346296612.

The spelling of 84798137 in words is "eighty-four million, seven hundred ninety-eight thousand, one hundred thirty-seven".