90000084467 has 2 divisors, whose sum is σ = 90000084468. Its totient is φ = 90000084466.

The previous prime is 90000084443. The next prime is 90000084479. The reversal of 90000084467 is 76448000009.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90000084467 - 2¹² = 90000080371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90000084467.

It is not a weakly prime, because it can be changed into another prime (90000084667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45000042233 + 45000042234.

It is an arithmetic number, because the mean of its divisors is an integer number (45000042234).

Almost surely, 2^90000084467 is an apocalyptic number.

90000084467 is a deficient number, since it is larger than the sum of its proper divisors (1).

90000084467 is an equidigital number, since it uses as much as digits as its factorization.

90000084467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 90000084467 in words is "ninety billion, eighty-four thousand, four hundred sixty-seven".