84399097441 has 2 divisors, whose sum is σ = 84399097442. Its totient is φ = 84399097440.

The previous prime is 84399097429. The next prime is 84399097451. The reversal of 84399097441 is 14479099348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79907417041 + 4491680400 = 282679^2 + 67020^2 .

It is a cyclic number.

It is not a de Polignac number, because 84399097441 - 2⁷ = 84399097313 is a prime.

It is not a weakly prime, because it can be changed into another prime (84399097451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42199548720 + 42199548721.

It is an arithmetic number, because the mean of its divisors is an integer number (42199548721).

Almost surely, 2^84399097441 is an apocalyptic number.

It is an amenable number.

84399097441 is a deficient number, since it is larger than the sum of its proper divisors (1).

84399097441 is an equidigital number, since it uses as much as digits as its factorization.

84399097441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 84399097441 in words is "eighty-four billion, three hundred ninety-nine million, ninety-seven thousand, four hundred forty-one".