83426817 has 8 divisors (see below), whose sum is σ = 111944896. Its totient is φ = 55263312.

The previous prime is 83426789. The next prime is 83426831. The reversal of 83426817 is 71862438.

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

It is not a de Polignac number, because 83426817 - 2⁷ = 83426689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83426857) 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, 88093 + ... + 89034.

It is an arithmetic number, because the mean of its divisors is an integer number (13993112).

Almost surely, 2^83426817 is an apocalyptic number.

It is an amenable number.

83426817 is a deficient number, since it is larger than the sum of its proper divisors (28518079).

83426817 is a wasteful number, since it uses less digits than its factorization.

83426817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177287.

The product of its digits is 64512, while the sum is 39.

The square root of 83426817 is about 9133.8281678604. The cubic root of 83426817 is about 436.9535023410.

The spelling of 83426817 in words is "eighty-three million, four hundred twenty-six thousand, eight hundred seventeen".