83679469 has 2 divisors, whose sum is σ = 83679470. Its totient is φ = 83679468.

The previous prime is 83679461. The next prime is 83679481. The reversal of 83679469 is 96497638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55323844 + 28355625 = 7438^2 + 5325^2 .

It is a cyclic number.

It is not a de Polignac number, because 83679469 - 2³ = 83679461 is a prime.

It is a super-2 number, since 2×83679469² = 14004507064243922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83679461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41839734 + 41839735.

It is an arithmetic number, because the mean of its divisors is an integer number (41839735).

Almost surely, 2^83679469 is an apocalyptic number.

It is an amenable number.

83679469 is a deficient number, since it is larger than the sum of its proper divisors (1).

83679469 is an equidigital number, since it uses as much as digits as its factorization.

83679469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 52.

The square root of 83679469 is about 9147.6482770163. The cubic root of 83679469 is about 437.3941516994.

It can be divided in two parts, 83679 and 469, that added together give a palindrome (84148).

The spelling of 83679469 in words is "eighty-three million, six hundred seventy-nine thousand, four hundred sixty-nine".