84011133397 has 2 divisors, whose sum is σ = 84011133398. Its totient is φ = 84011133396.

The previous prime is 84011133361. The next prime is 84011133413. The reversal of 84011133397 is 79333111048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47402433841 + 36608699556 = 217721^2 + 191334^2 .

It is a cyclic number.

It is not a de Polignac number, because 84011133397 - 2¹⁵ = 84011100629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84011133317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42005566698 + 42005566699.

It is an arithmetic number, because the mean of its divisors is an integer number (42005566699).

Almost surely, 2^84011133397 is an apocalyptic number.

It is an amenable number.

84011133397 is a deficient number, since it is larger than the sum of its proper divisors (1).

84011133397 is an equidigital number, since it uses as much as digits as its factorization.

84011133397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 84011133397 in words is "eighty-four billion, eleven million, one hundred thirty-three thousand, three hundred ninety-seven".