84393650087 has 2 divisors, whose sum is σ = 84393650088. Its totient is φ = 84393650086.

The previous prime is 84393650063. The next prime is 84393650153. The reversal of 84393650087 is 78005639348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84393650087 - 2⁶ = 84393650023 is a prime.

It is a super-3 number, since 3×84393650087³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84393650287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42196825043 + 42196825044.

It is an arithmetic number, because the mean of its divisors is an integer number (42196825044).

Almost surely, 2^84393650087 is an apocalyptic number.

84393650087 is a deficient number, since it is larger than the sum of its proper divisors (1).

84393650087 is an equidigital number, since it uses as much as digits as its factorization.

84393650087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 84393650087 in words is "eighty-four billion, three hundred ninety-three million, six hundred fifty thousand, eighty-seven".