83676949 has 2 divisors, whose sum is σ = 83676950. Its totient is φ = 83676948.

The previous prime is 83676947. The next prime is 83677003. The reversal of 83676949 is 94967638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67732900 + 15944049 = 8230^2 + 3993^2 .

It is a cyclic number.

It is not a de Polignac number, because 83676949 - 2¹ = 83676947 is a prime.

Together with 83676947, it forms a pair of twin primes.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 83676896 and 83676905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83676947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41838474 + 41838475.

It is an arithmetic number, because the mean of its divisors is an integer number (41838475).

Almost surely, 2^83676949 is an apocalyptic number.

It is an amenable number.

83676949 is a deficient number, since it is larger than the sum of its proper divisors (1).

83676949 is an equidigital number, since it uses as much as digits as its factorization.

83676949 is an evil number, because the sum of its binary digits is even.

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

The square root of 83676949 is about 9147.5105356594. The cubic root of 83676949 is about 437.3897609596.

The spelling of 83676949 in words is "eighty-three million, six hundred seventy-six thousand, nine hundred forty-nine".