84816101 has 4 divisors (see below), whose sum is σ = 84860652. Its totient is φ = 84771552.

The previous prime is 84816079. The next prime is 84816131. The reversal of 84816101 is 10161848.

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 76143076 + 8673025 = 8726^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 84816101 - 2¹⁰ = 84815077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84816131) 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, 19286 + ... + 23271.

It is an arithmetic number, because the mean of its divisors is an integer number (21215163).

Almost surely, 2^84816101 is an apocalyptic number.

It is an amenable number.

84816101 is a deficient number, since it is larger than the sum of its proper divisors (44551).

84816101 is a wasteful number, since it uses less digits than its factorization.

84816101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44550.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 84816101 is about 9209.5657335186. The cubic root of 84816101 is about 439.3656509797.

Adding to 84816101 its reverse (10161848), we get a palindrome (94977949).

The spelling of 84816101 in words is "eighty-four million, eight hundred sixteen thousand, one hundred one".