83995669 has 2 divisors, whose sum is σ = 83995670. Its totient is φ = 83995668.

The previous prime is 83995651. The next prime is 83995697. The reversal of 83995669 is 96659938.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62252100 + 21743569 = 7890^2 + 4663^2 .

It is a cyclic number.

It is not a de Polignac number, because 83995669 - 2²¹ = 81898517 is a prime.

It is a super-2 number, since 2×83995669² = 14110544821515122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83995649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41997834 + 41997835.

It is an arithmetic number, because the mean of its divisors is an integer number (41997835).

Almost surely, 2^83995669 is an apocalyptic number.

It is an amenable number.

83995669 is a deficient number, since it is larger than the sum of its proper divisors (1).

83995669 is an equidigital number, since it uses as much as digits as its factorization.

83995669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3149280, while the sum is 55.

The square root of 83995669 is about 9164.9151114454. The cubic root of 83995669 is about 437.9443869954.

The spelling of 83995669 in words is "eighty-three million, nine hundred ninety-five thousand, six hundred sixty-nine".