83816115 has 16 divisors (see below), whose sum is σ = 134500608. Its totient is φ = 44570336.

The previous prime is 83816113. The next prime is 83816141. The reversal of 83816115 is 51161838.

It is a cyclic number.

It is not a de Polignac number, because 83816115 - 2¹ = 83816113 is a prime.

It is a super-2 number, since 2×83816115² = 14050282267386450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (83816113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2847 + ... + 13256.

It is an arithmetic number, because the mean of its divisors is an integer number (8406288).

Almost surely, 2^83816115 is an apocalyptic number.

83816115 is a deficient number, since it is larger than the sum of its proper divisors (50684493).

83816115 is a wasteful number, since it uses less digits than its factorization.

83816115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16458.

The product of its digits is 5760, while the sum is 33.

The square root of 83816115 is about 9155.1141445642. The cubic root of 83816115 is about 437.6321059561.

The spelling of 83816115 in words is "eighty-three million, eight hundred sixteen thousand, one hundred fifteen".