82819099 has 8 divisors (see below), whose sum is σ = 93463920. Its totient is φ = 72693600.

The previous prime is 82819069. The next prime is 82819127. The reversal of 82819099 is 99091828.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 82819099 - 2¹¹ = 82817051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82819049) 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, 129492 + ... + 130129.

It is an arithmetic number, because the mean of its divisors is an integer number (11682990).

Almost surely, 2^82819099 is an apocalyptic number.

82819099 is a deficient number, since it is larger than the sum of its proper divisors (10644821).

82819099 is a wasteful number, since it uses less digits than its factorization.

82819099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259661.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 82819099 is about 9100.4999313225. The cubic root of 82819099 is about 435.8899278150.

The spelling of 82819099 in words is "eighty-two million, eight hundred nineteen thousand, ninety-nine".