84250669 has 2 divisors, whose sum is σ = 84250670. Its totient is φ = 84250668.

The previous prime is 84250651. The next prime is 84250681. The reversal of 84250669 is 96605248.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67848169 + 16402500 = 8237^2 + 4050^2 .

It is a cyclic number.

It is not a de Polignac number, because 84250669 - 2⁵ = 84250637 is a prime.

It is a super-2 number, since 2×84250669² = 14196350453895122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84250169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42125334 + 42125335.

It is an arithmetic number, because the mean of its divisors is an integer number (42125335).

Almost surely, 2^84250669 is an apocalyptic number.

It is an amenable number.

84250669 is a deficient number, since it is larger than the sum of its proper divisors (1).

84250669 is an equidigital number, since it uses as much as digits as its factorization.

84250669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 84250669 is about 9178.8163180227. The cubic root of 84250669 is about 438.3871201312.

The spelling of 84250669 in words is "eighty-four million, two hundred fifty thousand, six hundred sixty-nine".