84144097 has 4 divisors (see below), whose sum is σ = 87802560. Its totient is φ = 80485636.

The previous prime is 84144091. The next prime is 84144139. The reversal of 84144097 is 79044148.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84144097 - 2¹⁵ = 84111329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84144091) 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, 1829197 + ... + 1829242.

It is an arithmetic number, because the mean of its divisors is an integer number (21950640).

Almost surely, 2^84144097 is an apocalyptic number.

It is an amenable number.

84144097 is a deficient number, since it is larger than the sum of its proper divisors (3658463).

84144097 is a wasteful number, since it uses less digits than its factorization.

84144097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658462.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 84144097 is about 9173.0091573049. The cubic root of 84144097 is about 438.2021977410.

The spelling of 84144097 in words is "eighty-four million, one hundred forty-four thousand, ninety-seven".