83216701 has 4 divisors (see below), whose sum is σ = 83285212. Its totient is φ = 83148192.

The previous prime is 83216699. The next prime is 83216719. The reversal of 83216701 is 10761238.

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 34928100 + 48288601 = 5910^2 + 6949^2 .

It is a cyclic number.

It is not a de Polignac number, because 83216701 - 2¹ = 83216699 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83216701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83216761) 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, 32400 + ... + 34873.

It is an arithmetic number, because the mean of its divisors is an integer number (20821303).

Almost surely, 2^83216701 is an apocalyptic number.

It is an amenable number.

83216701 is a deficient number, since it is larger than the sum of its proper divisors (68511).

83216701 is a wasteful number, since it uses less digits than its factorization.

83216701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68510.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 83216701 is about 9122.3188389795. The cubic root of 83216701 is about 436.5863617710.

Adding to 83216701 its reverse (10761238), we get a palindrome (93977939).

The spelling of 83216701 in words is "eighty-three million, two hundred sixteen thousand, seven hundred one".