84228097 has 2 divisors, whose sum is σ = 84228098. Its totient is φ = 84228096.

The previous prime is 84228091. The next prime is 84228101. The reversal of 84228097 is 79082248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58003456 + 26224641 = 7616^2 + 5121^2 .

It is a cyclic number.

It is not a de Polignac number, because 84228097 - 2¹¹ = 84226049 is a prime.

It is not a weakly prime, because it can be changed into another prime (84228091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42114048 + 42114049.

It is an arithmetic number, because the mean of its divisors is an integer number (42114049).

Almost surely, 2^84228097 is an apocalyptic number.

It is an amenable number.

84228097 is a deficient number, since it is larger than the sum of its proper divisors (1).

84228097 is an equidigital number, since it uses as much as digits as its factorization.

84228097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 84228097 is about 9177.5866653494. The cubic root of 84228097 is about 438.3479665038.

The spelling of 84228097 in words is "eighty-four million, two hundred twenty-eight thousand, ninety-seven".