84519197 has 8 divisors (see below), whose sum is σ = 96844800. Its totient is φ = 72256464.

The previous prime is 84519191. The next prime is 84519199. The reversal of 84519197 is 79191548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84519197 - 2²⁴ = 67741981 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 (84519191) 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, 12797 + ... + 18242.

It is an arithmetic number, because the mean of its divisors is an integer number (12105600).

Almost surely, 2^84519197 is an apocalyptic number.

It is an amenable number.

84519197 is a deficient number, since it is larger than the sum of its proper divisors (12325603).

84519197 is a wasteful number, since it uses less digits than its factorization.

84519197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31435.

The product of its digits is 90720, while the sum is 44.

The square root of 84519197 is about 9193.4322752713. The cubic root of 84519197 is about 438.8523760636.

The spelling of 84519197 in words is "eighty-four million, five hundred nineteen thousand, one hundred ninety-seven".