84406887311 has 2 divisors, whose sum is σ = 84406887312. Its totient is φ = 84406887310.

The previous prime is 84406887263. The next prime is 84406887343. The reversal of 84406887311 is 11378860448.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84406887311 - 2¹⁰ = 84406886287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84406887311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84406887361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42203443655 + 42203443656.

It is an arithmetic number, because the mean of its divisors is an integer number (42203443656).

Almost surely, 2^84406887311 is an apocalyptic number.

84406887311 is a deficient number, since it is larger than the sum of its proper divisors (1).

84406887311 is an equidigital number, since it uses as much as digits as its factorization.

84406887311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1032192, while the sum is 50.

The spelling of 84406887311 in words is "eighty-four billion, four hundred six million, eight hundred eighty-seven thousand, three hundred eleven".