84869623 has 2 divisors, whose sum is σ = 84869624. Its totient is φ = 84869622.

The previous prime is 84869597. The next prime is 84869657. The reversal of 84869623 is 32696848.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84869623 - 2⁵ = 84869591 is a prime.

It is a super-3 number, since 3×84869623³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84869663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42434811 + 42434812.

It is an arithmetic number, because the mean of its divisors is an integer number (42434812).

Almost surely, 2^84869623 is an apocalyptic number.

84869623 is a deficient number, since it is larger than the sum of its proper divisors (1).

84869623 is an equidigital number, since it uses as much as digits as its factorization.

84869623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 497664, while the sum is 46.

The square root of 84869623 is about 9212.4710582992. The cubic root of 84869623 is about 439.4580500384.

The spelling of 84869623 in words is "eighty-four million, eight hundred sixty-nine thousand, six hundred twenty-three".