83006887 has 4 divisors (see below), whose sum is σ = 83065240. Its totient is φ = 82948536.

The previous prime is 83006843. The next prime is 83006893. The reversal of 83006887 is 78860038.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 83006887 - 2¹¹ = 83004839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83006387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26988 + ... + 29905.

It is an arithmetic number, because the mean of its divisors is an integer number (20766310).

Almost surely, 2^83006887 is an apocalyptic number.

83006887 is a deficient number, since it is larger than the sum of its proper divisors (58353).

83006887 is a wasteful number, since it uses less digits than its factorization.

83006887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58352.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 83006887 is about 9110.8115445332. The cubic root of 83006887 is about 436.2191317037.

The spelling of 83006887 in words is "eighty-three million, six thousand, eight hundred eighty-seven".