84536999 has 2 divisors, whose sum is σ = 84537000. Its totient is φ = 84536998.

The previous prime is 84536923. The next prime is 84537007. The reversal of 84536999 is 99963548.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84536999 - 2⁸ = 84536743 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84536999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84536299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42268499 + 42268500.

It is an arithmetic number, because the mean of its divisors is an integer number (42268500).

Almost surely, 2^84536999 is an apocalyptic number.

84536999 is a deficient number, since it is larger than the sum of its proper divisors (1).

84536999 is an equidigital number, since it uses as much as digits as its factorization.

84536999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2099520, while the sum is 53.

The square root of 84536999 is about 9194.4004154703. The cubic root of 84536999 is about 438.8831852440.

The spelling of 84536999 in words is "eighty-four million, five hundred thirty-six thousand, nine hundred ninety-nine".