83122705 has 4 divisors (see below), whose sum is σ = 99747252. Its totient is φ = 66498160.

The previous prime is 83122651. The next prime is 83122717. The reversal of 83122705 is 50722138.

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 49956624 + 33166081 = 7068^2 + 5759^2 .

It is not a de Polignac number, because 83122705 - 2¹¹ = 83120657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8312266 + ... + 8312275.

It is an arithmetic number, because the mean of its divisors is an integer number (24936813).

Almost surely, 2^83122705 is an apocalyptic number.

It is an amenable number.

83122705 is a deficient number, since it is larger than the sum of its proper divisors (16624547).

83122705 is a wasteful number, since it uses less digits than its factorization.

83122705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16624546.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 83122705 is about 9117.1654037864. The cubic root of 83122705 is about 436.4219202912.

The spelling of 83122705 in words is "eighty-three million, one hundred twenty-two thousand, seven hundred five".