83663937 has 12 divisors (see below), whose sum is σ = 138112000. Its totient is φ = 47807928.

The previous prime is 83663929. The next prime is 83663959. The reversal of 83663937 is 73936638.

It is a happy number.

83663937 is a `hidden beast` number, since 8 + 3 + 6 + 639 + 3 + 7 = 666.

It is not a de Polignac number, because 83663937 - 2³ = 83663929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83663892 and 83663901.

It is not an unprimeable number, because it can be changed into a prime (83663977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663937 + ... + 664062.

Almost surely, 2^83663937 is an apocalyptic number.

It is an amenable number.

83663937 is a deficient number, since it is larger than the sum of its proper divisors (54448063).

83663937 is a wasteful number, since it uses less digits than its factorization.

83663937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328012 (or 1328009 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 83663937 is about 9146.7992762496. The cubic root of 83663937 is about 437.3670880065.

The spelling of 83663937 in words is "eighty-three million, six hundred sixty-three thousand, nine hundred thirty-seven".