83250839 has 4 divisors (see below), whose sum is σ = 95143824. Its totient is φ = 71357856.

The previous prime is 83250767. The next prime is 83250877. The reversal of 83250839 is 93805238.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83250839 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 (83250899) 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, 5946482 + ... + 5946495.

It is an arithmetic number, because the mean of its divisors is an integer number (23785956).

Almost surely, 2^83250839 is an apocalyptic number.

83250839 is a deficient number, since it is larger than the sum of its proper divisors (11892985).

83250839 is a wasteful number, since it uses less digits than its factorization.

83250839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892984.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 83250839 is about 9124.1897722483. The cubic root of 83250839 is about 436.6460539060.

The spelling of 83250839 in words is "eighty-three million, two hundred fifty thousand, eight hundred thirty-nine".