83120833 has 4 divisors (see below), whose sum is σ = 85367380. Its totient is φ = 80874288.

The previous prime is 83120831. The next prime is 83120867. The reversal of 83120833 is 33802138.

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

It can be written as a sum of positive squares in 2 ways, for example, as 62536464 + 20584369 = 7908^2 + 4537^2 .

It is a cyclic number.

It is not a de Polignac number, because 83120833 - 2¹ = 83120831 is a prime.

It is a super-2 number, since 2×83120833² = 13818145757227778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83120831) 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, 1123218 + ... + 1123291.

It is an arithmetic number, because the mean of its divisors is an integer number (21341845).

Almost surely, 2^83120833 is an apocalyptic number.

It is an amenable number.

83120833 is a deficient number, since it is larger than the sum of its proper divisors (2246547).

83120833 is a wasteful number, since it uses less digits than its factorization.

83120833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246546.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 83120833 is about 9117.0627397205. The cubic root of 83120833 is about 436.4186440585.

The spelling of 83120833 in words is "eighty-three million, one hundred twenty thousand, eight hundred thirty-three".