83009851 has 8 divisors (see below), whose sum is σ = 85043520. Its totient is φ = 80999688.

The previous prime is 83009831. The next prime is 83009887. The reversal of 83009851 is 15890038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83009851 - 2²³ = 74621243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83009831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380 + ... + 12958.

It is an arithmetic number, because the mean of its divisors is an integer number (10630440).

Almost surely, 2^83009851 is an apocalyptic number.

83009851 is a deficient number, since it is larger than the sum of its proper divisors (2033669).

83009851 is a wasteful number, since it uses less digits than its factorization.

83009851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11753.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 83009851 is about 9110.9742069660. The cubic root of 83009851 is about 436.2243237954.

Adding to 83009851 its reverse (15890038), we get a palindrome (98899889).

The spelling of 83009851 in words is "eighty-three million, nine thousand, eight hundred fifty-one".