83090837 has 4 divisors (see below), whose sum is σ = 83620236. Its totient is φ = 82561440.

The previous prime is 83090827. The next prime is 83090851. The reversal of 83090837 is 73809038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73809038 = 2 ⋅36904519.

It can be written as a sum of positive squares in 2 ways, for example, as 17901361 + 65189476 = 4231^2 + 8074^2 .

It is a cyclic number.

It is not a de Polignac number, because 83090837 - 2¹⁰ = 83089813 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83090837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83090827) 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 in 3 ways as a sum of consecutive naturals, for example, 264464 + ... + 264777.

It is an arithmetic number, because the mean of its divisors is an integer number (20905059).

Almost surely, 2^83090837 is an apocalyptic number.

It is an amenable number.

83090837 is a deficient number, since it is larger than the sum of its proper divisors (529399).

83090837 is a wasteful number, since it uses less digits than its factorization.

83090837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529398.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 83090837 is about 9115.4175439198. The cubic root of 83090837 is about 436.3661406198.

The spelling of 83090837 in words is "eighty-three million, ninety thousand, eight hundred thirty-seven".