83665722 has 16 divisors (see below), whose sum is σ = 191236032. Its totient is φ = 23904480.

The previous prime is 83665711. The next prime is 83665723. The reversal of 83665722 is 22756638.

It is not an unprimeable number, because it can be changed into a prime (83665723) 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, 995979 + ... + 996062.

It is an arithmetic number, because the mean of its divisors is an integer number (11952252).

Almost surely, 2^83665722 is an apocalyptic number.

83665722 is an abundant number, since it is smaller than the sum of its proper divisors (107570310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83665722 is a wasteful number, since it uses less digits than its factorization.

83665722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992053.

The product of its digits is 120960, while the sum is 39.

The square root of 83665722 is about 9146.8968508451. The cubic root of 83665722 is about 437.3701984455.

The spelling of 83665722 in words is "eighty-three million, six hundred sixty-five thousand, seven hundred twenty-two".